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The Laplacian operator is actually
Answer: b Explanation: The Laplacian operator is the divergence of gradient of a vector, which is also called del2V operator.
Answer: b
Explanation: The Laplacian operator is the divergence of gradient of a vector, which is
also called del2V operator.
See lessThe relation between vector potential and field strength is given by
Answer: a Explanation: The vector potential and field is given by, E = -Del (V).
Answer: a
Explanation: The vector potential and field is given by, E = -Del (V).
See lessThe del operator is called as
Answer: d Explanation: The Del operator is used to replace the differential terms, thus called vector differential operator in electromagnetics.
Answer: d
Explanation: The Del operator is used to replace the differential terms, thus called vector
differential operator in electromagnetics.
See lessThe work-electric field relation is given by
Answer: c Explanation: The work done is given by, W = -Q ∫E dl. Thus it is line integral.
Answer: c
Explanation: The work done is given by, W = -Q ∫E dl. Thus it is line integral.
See lessElectromagnetic forces are defined by
Answer: b Explanation: The three left hand fingers denote electric field, magnetic field and wave propagation in free space, analogous to force, magnetic field and current respectively in any conductor.
Answer: b
Explanation: The three left hand fingers denote electric field, magnetic field and wave
propagation in free space, analogous to force, magnetic field and current respectively in
any conductor.
See lessWhich of the Pythagorean Theorem is valid in Electromagnetics?
Answer: c Explanation: Option |dot product|2 + |cross product|2 = 1 gives |cos|2 + |sin|2 = 1, which is the right answer.
Answer: c
Explanation: Option |dot product|2 + |cross product|2 = 1 gives |cos|2 + |sin|2 = 1, which is
the right answer.
See lessWhich of the following is not true?
Answer: c Explanation: Cross product of dot product of two vectors is a vector value.
Answer: c
Explanation: Cross product of dot product of two vectors is a vector value.
See lessThe distance vector is obtained in
Answer: d Explanation: Vector formed by connecting two points in space is distance vector. Thus, it is obtained in space coordinate system.
Answer: d
Explanation: Vector formed by connecting two points in space is distance vector. Thus, it
is obtained in space coordinate system.
See lessThe divergence of distance vector is
Answer: b Explanation: The distance vector of any coordinates is generally, r = xi + yj + zk. The divergence of r is 1 + 1 + 1 = 3.
Answer: b
Explanation: The distance vector of any coordinates is generally, r = xi + yj + zk. The
divergence of r is 1 + 1 + 1 = 3.
See lessThe polar form of Cartesian coordinates is
Answer: a Explanation: The radius in the polar coordinates is the Pythagorean triplet-(r,x,y).Thus it is the circular coordinates.
Answer: a
Explanation: The radius in the polar coordinates is the Pythagorean triplet-(r,x,y).Thus it
is the circular coordinates.
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