A parallel plate capacitor has circular plates each of radius 6.0 cm. It is charged such that the electric field in the gap between its plates rises constantly at the rate of 10¹⁰ V cm^-1 s^-1. What is the displacement current?

There is a parallel plate capacitor of capacitance \(2.0\mu F.\) The voltage between the plates of parallel plate capacitor is changing at the rate of 6.0 V s^-1 . What is the displacement current in the capacitor?

How would you establish an instantaneous displacement current of 2.0 A in the space between the two parallel plates of \(1\mu F\) capacitor?

A plane electromagnetic wave of frequency 25MHz travels in free space along the x-direction. At a particular point in space and time the electric vector is \(\overrightarrow { E } =6.3V/m\hat { j } \)Calculate \(\overrightarrow { B } \) at this point.

Calculate the peak values of electric and magnetic fields produced by the radiation coming from a 100 watt bulb at a distance of 3 m. Assume that the efficiency of the bulb is 2.5% and it is a point source?

The magnetic field in a plane electromagnetic wave is given by \(B=\left( 300\mu T \right) \sin { \left( 5.0\times { 10 }^{ -5 }{ s }^{ -1 } \right) } \left( t-x/c \right) \) Find (i) the maximum electric field and (ii) the average energy density corresponding to the electric field.

A plane electromagnetic wave in the visible region is moving along z-direction. The frequency of the wave is 6 x 10¹⁴ Hz, and the electric field at any point is varying simusoidally with time with an amplitude of 2 V m^-1. Calculate
(i) average energy density of the electric field and
(ii) average energy density of the magnetic field.

A beam of light travelling along x-axis is described by the magnetic field, \({ B }_{ z }=5\times { 10 }^{ -9 }T\sin { \omega \left( t-x/c \right) } \) Calculate the maximum electric and magnetic forces on a charge, i.e.alpha particle moving along y-axis with a speed of 3 x 10⁷ m/s, charge on electron = 1.6 x 10^-19C

A parallel plate capacitor made of circular plates each of radius 10 cm has a capacity 200 pF. The capacitor is connected to a 230 V a.c. supply with an angular frequency of 400 rad s^-1. 
(i) What is the rms value of the conduction current?
(ii) Find the amplitude of  \(\overrightarrow { B } \)  at a point 2.0 cm from the axis of the plates.

A parallel plate capacitor made of circular plates each of radius 10.0 cm has a capacitance 200 pF. The capacitor is connected to a 200 V a.c. supply with an angular frequency of 200 rad s^-1.
(a) What is the r.m.s value of the conduction current?
(b) Is the conduction current equal to displacement current?
(c) Peak value of displacement current.
(d) Determine the amplitude of magnetic field at a point 2.0 cm from the axis between the plates.