Question: A plane harmonic electromagnetic wave with plane polarization propagates in vacuum. The electric component of the wave has a strength amplitude Em = 50 mV/m

A plane harmonic electromagnetic wave with plane polarization propagates in vacuum. The electric component of the wave has a strength amplitude Em = 50 mV/m the frequency is v = 100 MHz. Find:
(a) The efficient value of the displacement current density;
(b) The mean energy flow density averaged over an oscillation period.

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