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Solenoidal vector field - of Solenoidal Vector Fields in the Ball S. G. Kazantsev1* an

The definition of solenoidal in the dictionary is relating to a coil of wire, usually

The Attempt at a Solution. For vector field to be solenoidal, divergence should be zero, so I get the equation: For a vector field to be irrotational, the curl has to be zero. After substituting values into equation, I get: and. . Is it right?Moved Permanently. The document has moved here.inside the solenoid. At t = 0 t = 0, we begin increasing the current, so that the increasing B B generates by induction an azimuthal electric field. E(r) = −1 2μ0nrdI dtϕ^ E ( r) = − 1 2 μ 0 n r d I d t ϕ ^. If we now calculate the surface integral of the Poynting vector S S over an imaginary cilindrical surface with radius R R and ...Solenoidal vector field is an alternative name for a divergence free vector field. The divergence of a vector field essentially signifies the difference in the input and output filed lines. The divergence free field, therefore, …A vector or vector field is known as solenoidal if it's divergence is zero.This ... In this video lecture you will understand the concept of solenoidal vectors.May 22, 2022 · Solenoidal fields, such as the magnetic flux density B→ B →, are for similar reasons sometimes represented in terms of a vector potential A→ A →: B→ = ∇ × A→ (2.15.1) (2.15.1) B → = ∇ × A →. Thus, B→ B → automatically has no divergence. As an irrotational vector field has a scalar potential and a solenoidal vector field has a vector potential, the Helmholtz decomposition states that a vector field (satisfying appropriate smoothness and decay conditions) can be decomposed as the sum of the form − grad Φ + curlA − grad Φ + curl A , where Φ Φ is a scalar field, called ...Explanation: If a vector field A → is solenoidal, it indicates that the divergence of the vector field is zero, i.e. ∇ ⋅ A → = 0. If a vector field A → is irrotational, it represents that the curl of the vector field is zero, i.e. ∇ × A → = 0. If a field is scalar A then ∇ 2 A → = 0 is a Laplacian function. Important Vector ...Solenoidal vector field is also known as divergence free or zero vector field with zero divergence at all points of the field. In radial flux, flux lines are directed from the center to outwards. Chapter 2, Problem 19RQ is solved.#engineeringmathematics1 #engineeringmathsm2#vectorcalculus UNIT II VECTOR CALCULUSGradient and directional derivative - Divergence and curl - Vector identit...The gradient of a scalar field V is a vector that represents both magnitude and the direction of the maximum space rate of increase of V. a) True b) False View Answer. Answer: a Explanation: A gradient operates on a scalar only and gives a vector as a result. This vector has a magnitude and direction.Let G denote a vector field that is continuously differentiable on some open interval S in 3-space. Consider: i) curl G = 0 and G = curl F for some c. differentiable vector field F. That is, curl( curl F) = 0 everywhere on S. ii) a scalar field $\varphi$ exists such that $\nabla\varphi$ is continuously differentiable and such that:Quiver, compass, feather, and stream plots. Vector fields can model velocity, magnetic force, fluid motion, and gradients. Visualize vector fields in a 2-D or 3-D view using the quiver, quiver3, and streamline functions. You can also display vectors along a horizontal axis or from the origin.Acceleration field is a two-component vector field, describing in a covariant way the four-acceleration of individual particles and the four-force that occurs in systems with multiple closely interacting particles. The acceleration field is a component of the general field, which is represented in the Lagrangian and Hamiltonian of an arbitrary physical system by the term with the energy of ...What should be the function F(r) so that the field is solenoidal? asked Jul 22, 2019 in Physics by Taniska (65.0k points) mathematical physics; jee; jee mains; ... Show that r^n vector r is an irrotational Vector for any value of n but is solenoidal only if n = −3. asked Jun 1, 2019 in Mathematics by Taniska (65.0k points) vector calculus;The vector fields in these bases are solenoidal; i.e., divergence-free. Because they are divergence-free, they are expressible in terms of curls. Furthermore, the divergence-free property implies that they are functions of only two scalar fields. For each geometry, we write down two classes of vector fields, each dependent on a scalar function.field, a solenoidal filed. • For an electric field:∇·E= ρ/ε, that is there are sources of electric field.. Consider a vector field F that represents a fluid velocity: The divergence of F at a point in a fluid is a measure of the rate at which the fluid is flowing away from or towards that point.The simplest, most obvious, and oldest example of a non-irrotational field (the technical term for a field with no irrotational component is a solenoidal field) is a magnetic field. A magnetic compass finds geomagnetic north because the Earth's magnetic field causes the metal needle to rotate until it is aligned. Share.Gauss's law for magnetism. In physics, Gauss's law for magnetism is one of the four Maxwell's equations that underlie classical electrodynamics. It states that the magnetic field B has divergence equal to zero, [1] in other words, that it is a solenoidal vector field. It is equivalent to the statement that magnetic monopoles do not exist. [2]the velocity field of an incompressible fluid flow is solenoidal; the electric field in regions where ρ e = 0; the current density, J, if əρ e /ət = 0. Category: Fluid dynamics. Solenoidal vector field In vector calculus a solenoidal vector field is a vector field v with divergence zero: Additional recommended knowledge How to ensure.Solenoidal fields, such as the magnetic flux density B→ B →, are for similar reasons sometimes represented in terms of a vector potential A→ A →: B→ = ∇ × A→ …Electrical Engineering questions and answers. Determine if each of the following vector fields is solenoidal, conservative, or both: A vector = x x^2 = y 2xy B vector = x x^2 - y y^2 + z 2z C vector = r (sin phi)/r^2 + phi (cos phi)/r^2 D vector = R/R E vector = r (3 - r/1 + r) + z z F vector = (x y + y x)/ (x^2 + y^2) G vector = x (x^2 + z^2 ...A solenoidal vector field is a vector field in which its divergence is zero, i.e., ∇. v = 0. V is the solenoidal vector field and ∇ represents the divergence operator. These mathematical conditions indicate that the net amount of fluid flowing into any given space is equal to the amount of fluid flowing out of it.The Solenoidal Vector Field.doc. 4/4. Lets summarize what we know about solenoidal vector fields: 1. Every solenoidal field can be expressed as the curl of some other vector field. 2. The curl of any and all vector fields always results in a solenoidal vector field. 3. The surface integral of a solenoidal field across any closed surface is ...Also my question referred to vector fields like the magnetic field that seem to be both divergence free and curl-free, ... Suggested for: Solenoidal and conservative fields About lie algebras, vector fields and derivations. Jun 1, 2023; Replies 20 Views 772. I Larger assignment on Vector Fields. May 10, 2019; Replies 3In today’s digital age, visual content plays a crucial role in capturing the attention of online users. Whether it’s for website design, social media posts, or marketing materials, having high-quality images can make all the difference.Moved Permanently. The document has moved here.Using such operators, one can construct evolutional equations that describe a translation-invariant dynamics of a solenoidal vector field \boldsymbol{V}(\ ...In physics, Gauss's law for magnetism is one of the four Maxwell's equations that underlie classical electrodynamics.It states that the magnetic field B has divergence equal to zero, in other words, that it is a solenoidal vector field.It …As far as I know a solenoidal vector field is such one that. ∇ ⋅F = 0. ∇ → ⋅ F → = 0. However I saw a book on mechanics defining a solenoidal force as one for which the infinitesimal work identically vanish, dW =F ⋅ dr = 0. d W = F → ⋅ d r → = 0. In this case, a solenoidal force would satisfy F ⊥v F → ⊥ v →, where v ...You can use this online vector field visualiser and plot functions like xi-yj, xj or xi+yj to understand rotational and solenoidal vector fields.Vector Calculus - Divergence of vector field | Solenoidal vector | In HindiThis video lecture will help basic science students to understand the following to...Irrotational and Solenoidal vector fields Solenoidal vector A vector F⃗ is said to be solenoidal if 𝑖 F⃗ = 0 (i.e)∇.F⃗ = 0 Irrotational vector A vector is said to be irrotational if Curl F⃗ = 0 (𝑖. ) ∇×F⃗ = 0 Example: Prove that the vector is solenoidal. Solution: Given 𝐹 = + + ⃗ To prove ∇∙ 𝐹 =0 ( )+ )+ ( ) =0 ...Unit 19: Vector fields Lecture 19.1. A vector-valued function F is called a vector field. A real valued function f is called a scalar field. Definition: A planar vector fieldis a vector-valued map F⃗ which assigns to a point (x,y) ∈R2 a vector F⃗(x,y) = [P(x,y),Q(x,y)]. A vector field in space is a map, which assigns to each point (x,y,z ...Irrotational and Solenoidal vector fields Solenoidal vector A vector F⃗ is said to be solenoidal if 𝑖 F⃗ = 0 (i.e)∇.F⃗ = 0 Irrotational vector A vector is said to be irrotational if Curl F⃗ = 0 (𝑖. ) ∇×F⃗ = 0 Example: Prove that the vector is solenoidal. Solution: Given 𝐹 = + + ⃗ To prove ∇∙ 𝐹 =0 ( )+ )+ ( ) =0 ...We consider the problem of finding the restrictions on the domain Ω⊂R n,n=2,3, under which the space of the solenoidal vector fields from coincides with the space, the closure in W 2 1 (Ω) of the set of all solenoidal vectors from. We give domains Ω⊂Rn, for which the factor space has a finite nonzero dimension. A similar problem is considered for the spaces of solenoidal vectors with a ...Subject classifications. A divergenceless vector field, also called a solenoidal field, is a vector field for which del ·F=0. Therefore, there exists a G such that F=del xG. Furthermore, F can be written as F = del x (Tr)+del ^2 (Sr) (1) = T+S, (2) where T = del x (Tr) (3) = -rx (del T) (4) S = del ^2 (Sr) (5) = del [partial/ (partialr) (rS ...Advanced Math questions and answers. Q1 Show that the vector field given by v = (-12 + yz)ỉ + (4y - z2 x) ſ + (2xz - 4z) Â is solenoidal. Q2 prove that xi + yj + zk У+ (x2 + y2 + z28/2 ) is a solenoidal vector. + Q3 Show that the vector field F = 2x (y2 + z3)i + 2x'yſ+ 3x?z? Â is conservative and find a scalar function cOS X + 2 Q4 ...As an irrotational vector field has a scalar potential and a solenoidal vector field has a vector potential, the Helmholtz decomposition states that a vector field (satisfying appropriate smoothness and decay conditions) can be decomposed as the sum of the form − grad Φ + curlA − grad Φ + curl A , where Φ Φ is a scalar field, called ...Flow of a Vector Field in 2D Gosia Konwerska; Vector Fields: Streamline through a Point Gosia Konwerska; Phase Portrait and Field Directions of Two-Dimensional Linear Systems of ODEs Santos Bravo Yuste; Vector Fields: Plot Examples Gosia Konwerska; Vector Field Flow through and around a Circle Gosia Konwerska; Vector Field with Sources …2 Function Spaces for Axisymmetric Solenoidal Vector Fields 2.1 Classical Spaces and the Pole Condition In this section, we establish basic regularity results for axisymmetric vector elds. We will show that the swirling component of a smooth axisymmetric vector eld has vanishing even order derivatives in the radial direction at the axis of ...18 2 Types or Vector Fields E(x,y,z) = ES(x,y,z) + EV(x,y,z) (2-1) Hence, an arbitrary vector field is, with respect to its physical nature (I.e. the individual contributions of both components), uniquely specified only if its sources and vortices can be identified, in other words, if its source density and vortex density are given.Adobe Illustrator is a powerful software tool that has become a staple for graphic designers, illustrators, and artists around the world. Whether you are a beginner or an experienced professional, mastering Adobe Illustrator can take your d...#engineeringmathematics1 #engineeringmathsm2#vectorcalculus UNIT II VECTOR CALCULUSGradient and directional derivative - Divergence and curl - Vector identit...The Solenoidal Vector Field (contd.) 1. Every solenoidal field can be expressed as the curl of some other vector field. 2. The curl of any and all vector fields always results in a solenoidal vector field. 3. The surface integral of a solenoidal field across any closed surface is equal to zero. 4. The divergence of every solenoidal vector field ...The curl of a vector field, denoted curl(F) or del xF (the notation used in this work), is defined as the vector field having magnitude equal to the maximum "circulation" at each point and to be oriented perpendicularly to this plane of circulation for each point. More precisely, the magnitude of del xF is the limiting value of circulation per unit area. Written …18 2 Types or Vector Fields E(x,y,z) = ES(x,y,z) + EV(x,y,z) (2-1) Hence, an arbitrary vector field is, with respect to its physical nature (I.e. the individual contributions of both components), uniquely specified only if its sources and vortices can be identified, in other words, if its source density and vortex density are given. These terms ...irrotational) vector field and a transverse (solenoidal, curling, rotational, non-diverging) vector field. Here, the terms "longitudinal" and "transverse" refer to the nature of the operators and not the vector fields. A purely "transverse" vector field does not necessarily have all of its vectors perpendicular to some reference vector.If that irrotational field has a component in the direction of the curl, then the curl of the combined fields is not perpendicular to the combined fields. Illustration. A Vector Field Not Perpendicular to Its Curl. In the interior of the conductor shown in Fig. 2.7.4, the magnetic field intensity and its curl are Stefen. 8 years ago. You can think of it like this: there are 3 types of line integrals: 1) line integrals with respect to arc length (dS) 2) line integrals with respect to x, and/or y (surface area dxdy) 3) line integrals of vector fields. That is to say, a line integral can be over a scalar field or a vector field.#VecorDifferentiation #VectorIntegrations #VectorCalculusirrotational) vector field and a transverse (solenoidal, curling, rotational, non-diverging) vector field. Here, the terms “longitudinal” and “transverse” refer to the nature of the operators and not the vector fields. A purely “transverse” vector field does not necessarily have all of its vectors perpendicular to some reference vector.magnetostatic fields in current free region, static current field within a linear homogenous isotropic conductor. (ii) Irrotational but not solenoidal field Here curl R 0 but div R 0 again with R = grad x, x being the scalar potential but div grad x = 2x 0 This is called the Poisson's equation and such fields are known as poissonian. e.g ...Mar 24, 2019 · However, I don’t think that computing a vector potential is the best way to proceed here. Depending on the method that you use, you’re entirely likely to come up with one that doesn’t resemble any of the possible solutions presented in the problem. The vector fields in these bases are solenoidal; i.e., divergence-free. Because they are divergence-free, they are expressible in terms of curls. Furthermore, the divergence-free property implies that they are functions of only two scalar fields. For each geometry, we write down two classes of vector fields, each dependent on a scalar function."In physics and mathematics, in the area of vector calculus, Helmholtz's theorem, also known as the fundamental theorem of vector calculus, states that any sufficiently smooth, rapidly decaying vector field in three dimensions can be resolved into the sum of an irrotational (curl-free) vector field and a solenoidal (divergence-free) vector ...Stefen. 8 years ago. You can think of it like this: there are 3 types of line integrals: 1) line integrals with respect to arc length (dS) 2) line integrals with respect to x, and/or y (surface area dxdy) 3) line integrals of vector fields. That is to say, a line integral can be over a scalar field or a vector field.Expert Answer. 4. Prove that for an arbitrary vectoru: (X) 0 (In fluid mechanics, where u is the velocity vector, this is equivalent to saying that the vorticity [the curl of the velocity] is a solenoidal vector field [divergence free]. It is very useful in manipulating the equations of motion, particularly at high Reynolds numbers)If The function $\phi$ satisfies the Laplace equation i.e $\nabla^2\phi=0$ the what we can say about $\overrightarrow{\nabla} \phi$. $1)$.it is solenoidal but not irrotational $2)$.it is both solenoidal and irrotational $3)$.it is neither solenoidal nor irrotational $4)$.it is Irrotational but not Solenoidal The question in may book is very lenghty ,but i try to make it condense , i am not ...Determine the divergence of a vector field in cylindrical k1*A®+K2*A (theta)+K3*A (z) coordinates (r,theta,z). Determine the relation between the parameters (k1, k2, k3) such that the divergence. of the vector A becomes zero, thus resulting it into a solenoidal field. The parameter values k1, k2, k3. will be provided from user-end.For exercises 2 - 4, determine whether the statement is true or false. 2. Vector field ⇀ F(x, y) = 3x2, 1 is a gradient field for both ϕ1(x, y) = x3 + y and ϕ2(x, y) = y + x3 + 100. 3. Vector field ⇀ F(x, y) = y, x √x2 + y2 is constant in direction and magnitude on a unit circle. Answer:The induced electric field in the coil is constant in magnitude over the cylindrical surface, similar to how Ampere's law problems with cylinders are solved. Since →E is tangent to the coil, ∮→E ⋅ d→l = ∮Edl = 2πrE. When combined with Equation 13.5.5, this gives. E = ϵ 2πr.Solenoidal vector field | how to show vector is solenoidal | how to show vector is solenoidalVideo Tutorials,solenoidal vector field,solenoidal vector field,...If you’re like most graphic designers, you’re probably at least somewhat familiar with Adobe Illustrator. It’s a powerful vector graphic design program that can help you create a variety of graphics and illustrations.For the vector field v, where $ v = (x+2y+4z) i +(2ax+by-z) j + (4x-y+2z) k$, where a and b are constants. Find a and b such that v is both solenoidal and irrotational. For this problem I've taken the divergence and the curl of this vector field, and found six distinct equations in a and b.Solenoidal definition, of or relating to a solenoid. See more.Because they are easy to generalize to multiple different topics and fields of study, vectors have a very large array of applications. Vectors are regularly used in the fields of engineering, structural analysis, navigation, physics and mat...A solenoidal vector field satisfies del ·B=0 (1) for every vector B, where del ·B is the divergence. If this condition is satisfied, there exists a vector A, known as the vector …Find the divergence of the following vector fields. F = F1ˆi + F2ˆj + F3ˆk = FC1ˆeρ + FC2ˆeϕ + FC3ˆez = FS1ˆer + FS2ˆeθ + FS3ˆeϕ. So the divergence of F in cartesian,cylindical and spherical coordinates is: ∇ ⋅ F = ∂F1 ∂x + ∂F2 ∂y + ∂F3 ∂z = 1 ρ∂(ρFC1) ∂ρ + 1 ρ∂FC2 ∂ϕ + ∂FC3 ∂z = 1 r2∂(r2FS1) ∂r ...9/16/2005 The Solenoidal Vector Field.doc 2/4 Jim Stiles The Univ. of Kansas Dept. of EECS Solenoidal vector fields have a similar characteristic! Every solenoidal vector field can be expressed as the curl of some other vector field (say A(r)). SA(rxr)=∇ ( ) Additionally, we find that only solenoidal vector fields can be expressed as the curl of …Irrotational vector field example | How to prove vector is irrotationalTag:How to prove vector is irrotational | irrotational vector field proof | brightfutu...Calling solenoidal the divergengeless (or incompressible) vector fields is misleading. The term solenoidal should be restricted to vector fields having a vector potential. Solenoidal implies divergenceless, but the converse is true only in some specific domains, like R3 or star-shaped domains (in general: domains U having H 2dR ( U )=0).Nov 4, 2016 · Start with a simpler problem, calculate ∇ ⋅E ∇ ⋅ E and ∇ ×E ∇ × E for a point charge. Also, ∇ ×E = 0 ∇ × E = 0 isn't about the field not bending, it's about the field not shearing past itself. So while the field lines of a dipole are bent, the balance of field strength cancels. To see an example of what's going on, calculate ... Show that the following vector represents a solenoidal vector field: F = x^3yi - x^2y^2j - x^3yzk; The position vector for an electron r is \vec{r}= (7.8 m)i - (2.6 m)j + (6.9 m)k. Find the magnitude of r. At a given point in space, vectors A and B are given in spherical coordinates by A = R4 + theta2 minus phi, B= minus R2 + phi3.steady currents establish a solenoidal vector field. i.e. .0J There are two types of electric currents caused by the motion of the free charges: 1) Convection Currents These currents are due to the motion of the2.7 Visualization of Fields and the Divergence and Curl. A three-dimensional vector field A (r) is specified by three components that are, individually, functions of position. It is difficult enough …Figure 9.5.1: (a) Vector field 1, 2 has zero divergence. (b) Vector field −y, x also has zero divergence. By contrast, consider radial vector field R⇀(x, y) = −x, −y in Figure 9.5.2. At any given point, more fluid is flowing in than is flowing out, and therefore the “outgoingness” of the field is negative.In this case, the vector field $\mathbf F$ is irrotational ($\nabla \times \mathbf F = 0$) if and only if there exists a scalar field $\phi$ such that $\mathbf F = \nabla \phi$. For $\mathbf F$ to be solenoidal too ($\nabla . \mathbf F = 0$), the condition is that $\phi$ should satisfy Laplace's equation $\nabla^2 \phi = 0$.We thus see that the class of irrotational, solenoidal vector fields conicides, locally at least, with the class of gradients of harmonic functions. Such fields are prevalent in electrostatics, in which the Maxwell equation. ∇ ×E = −∂B ∂t (7) (7) ∇ × E → = − ∂ B → ∂ t. becomes. ∇ ×E = 0 (8) (8) ∇ × E → = 0. in the ...Solenoidal vector field | how to show vector is solenoidal | how to show vector is solenoidalVideo Tutorials,solenoidal vector field,solenoidal vector field,...The Solenoidal Vector Field We of course recall that a conservative vector field C ( r ) can be identified from its curl, which is always equal to zero: ∇ x C ( r ) = 0 Similarly, there is another type of vector field S ( r ) , called a solenoidal field, whose divergence is always equal to zero: $\begingroup$ Since you know the conditions already, all you need is an electric field to satisfy the irrotational property or a magnetic field to satisfy the solenoidal property. That would be a physical example. For a general one, you could define said vector field using the conditions by construction. $\endgroup$ -Determine whether vector field \(\vecs F(x,y,z)= xy^2z,x^2yz,z^2 \) is conservative. Solution. Note that the domain of \(\vecs{F}\) is all of \(ℝ^2\) and \(ℝ^3\) is simply connected. …Moved Permanently. The document has moved here.In today’s digital age, visual content plays a crucial role in capturing the attention of online users. Whether it’s for website design, social media posts, or marketing materials, having high-quality images can make all the difference.In the mathematics of vector calculus, a solenoidal vector field is also known as a divergence-free vector field, an incompressible vector field, or a transverse vector field. It is a type of transverse vector field v with divergence equal to zero at all of the points in the field, that is ∇ · v = 0. It can be said that the field has no ... Spirometry is a test used to measure lung function. Chronic obstructive pulmonary disease causes breathing problems and poor airflow. Pulmonology vector illustration. Medicine Matters Sharing successes, challenges and daily happenings in th...The Solenoidal Vector Field.doc. 4/4. Lets summarize what we know about solenoidal vector fields: 1. Every solenoidal field can be expressed as the curl of some other vector field. 2. The curl of any and all vector fields always results in a solenoidal vector field. 3. The surface integral of a solenoidal field across any closed surface is ...Let \(\vecs{F} = P\,\hat{\pmb{\imath}} + Q\,\hat{\pmb{\jmath}}\) be the two dimensional vector field shown below. Assuming that the vector field in the picture is a force field, the work done by the vector field on a particle moving from point \(A\) to \(B\) along the given path is: Positive; Negative; Zero; Not enough information to determine.1. Vortex lines are everywhere tangent to the vorticity vector. 2. The vorticity field is solenoidal. That is, the divergence of the curl of a vector is identically zero. Thus, ω r ( ) 0 0 ∇• = ∇• =∇•∇× = ω ω r r r r r r r V Clear analogy with conservation of mass and streamlines −∞ ∞ 3. Continuous loop 2. One end ...A closed vector field (thought of as a 1-form) is one whose derivative vanishes, and is called an irro, 1. Relate conservative fields to irrotationality. Conservative vector , The curl of the field F → is given by: ∇ × F → = [ i ^ j ^ k ^ ∂ ∂ x ∂ ∂ y ∂ ∂ z A x A y A z] If ∇ × F → = 0, th, In spaces R n , n≥2, it has been proved that a solenoidal vector field and its rotor satisfy th, 16.1 Vector Fields. [Jump to exercises] This chapter is concerned with applying calculus in the context of vector fie, As stated by Ninad, If T has a divergence it must be a vector field. And vector fields, Irrotational vector field. A vector field is irrotational if it has a zero , TIME-DEPENDENT SOLENOIDAL VECTOR FIELDS AND THEIR APPLICA, 14th/10/10 (EE2Ma-VC.pdf) 3 2 Scalar and Vector Fiel, #VecorDifferentiation #VectorIntegrations #VectorCalculus, ... solenoidal vector field is tangential to the boundary. Thi, A solenoid is a combination of closely wound loops of wire in the fo, Many vector fields - such as the gravitational field - have a remark, Part of R Language Collective. 18. I have a big text file with a , 1. divergence should be proportional to the density of m, 14th/10/10 (EE2Ma-VC.pdf) 3 2 Scalar and Vector Fields (L, Thanks For WatchingIn This video we are discussed basic , Question:If $\\vec F$ is a solenoidal field, then cur.