An alternating voltage of amplitude 40 V and frequency 4kHz is applied directly across the capacitor of 12μF. The maximum displacement current between the plates...

The electric field in an electromagnetic wave is given by $\overrightarrow{\mathrm{E}}=\hat{\mathrm{i}} 40 \cos \omega\left(\mathrm{t}-\frac{\mathrm{z}}{\mathrm{c}}\right) \mathrm{NC}^{-1}$. The magnetic
field induction of this wave is (in...

The electric field of an electromagnetic wave in free space is represented as $\vec{E}=E_0 \cos (\omega t-k z) \hat{\imath}$. The corresponding magnetic induction vector will...

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A plane electromagnetic wave propagating in x -direction is described by ${E_y} = \left( {200{\rm{V}}{{\rm{m}}^{ - 1}}} \right)\sin \left[ {1.5 \times {{10}^7}{\rm{t}} - 0.05{\rm{x}}} \right];$
...

The magnetic field of an E.M. wave is given by $\overrightarrow{\mathrm{B}}=\left(\frac{\sqrt{3}}{2} \hat{i}+\frac{1}{2} \hat{j}\right) 30 \sin \left[\omega\left(\mathrm{t}-\frac{Z}{\mathrm{c}}\right)\right]$ (S.I. Units). The corresponding electric field in S.I. units...

If ${_0}$ denotes the permittivity of free space and ${\Phi _E}$ is the flux of the electric field through the area bounded by the closed...

A time varying potential difference is applied between the plates of a parallel plate capacitor of capacitance $2.5 \mu \mathrm{~F}$. The dielectric constant of the...

Due to presence of an em-wave whose electric component is given by ${\rm{E}} = 100\sin (\omega {\rm{t}} - {\rm{kx}}){\rm{N}}{{\rm{C}}^{ - 1}}$, a cylinder of length...