Time-Varying-EE

Which one of the following vector functions represents a magnetic field $\vec{B}$ ? ( $\hat{x}, \hat{y}$, and $\hat{z}$ are unit vectors along $x$-axis, $y$-axis and $z$-axis respectively)

The following four vector fields are given in cartesian coordinate system. The vector field which does not satisfy the property of magnetic flux density is

The flux density at a point in space is given by $$\overrightarrow B=\;4x{\widehat a}_x\;+\;2ky{\widehat a}_y\;+\;8{\widehat a}_z\;\;Wb/m^2$$. The value of constant k must be equal to

Which of the following statements holds for the divergence of electric and magnetic flux densities?

Consider the following statements with reference to the equation $$\nabla.\overrightarrow J=-\frac{\partial\rho}{\partial t}$$ 1. This is a point from the continuity equation 2. Divergence of current density is equal to...

An electromagnetic field is radiated from

The laws of electromagnetic induction (Faraday's and Lenz's law) are summarized in the following equation

The laws of electromagnetic induction (Faraday's and Lenz's law) are summarized in the following equation:

The velocity of propagation of electromagnetic wave 'n' an underground cable with relative permittivity of 3 will be ________m/sec

A monochromatic plane electromagnetic wave travels in vacuum in the position $$x$$ direction ($$x, y, z$$ system of coordinates). The electric and magnetic fields can be expressed as

Match the following List-$${\rm I}$$ with List-$${\rm II}$$ List $$-$$ $${\rm I}$$ $$(a)$$ Line charge $$(b)$$ Magnetic Flux Density $$(c)$$ Displacement current $$(d)$$ Power flow List $$-$$ $${\rm II}$$ $$(P)$$ Maxwell...

Static magnetic fields induce currents in closed conducting loops.