As a certain electromagnetic wave passes a point in space, its electric field varies as `E = E_(0) sin 2pif t ` where `E_0 = 0.0042 V//m` Find the amplitude of magnetic field in the wave

In an electromagnetic wave,the amplitude of oscillating magnetic field is 2 xx 10^(-7) T. What is the amplitude of oscillating electric field in the wave?Given c=3 xx 10^8 m s^(-1) .

Suppose that the electric field part of an electromagnetic wave in vacuum is E = {(3.1 N//C) cos [(1.8 rad//m) y + (5.4 xx 10^6 rad//s)t]} hati . What is the amplitude of the magnetic field part of the wave?

What is the relation between amplitudes of electric and magnetic field in free space for e.m. wave?

The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is B_0 = 510 nT . What is the amplitude of the electric field part of the wave?

The electric field of a plane electromagnetic wave in vaccum is represented by E_x = 0,E_y = 0.5 cos [2pi xx 10^8 (t-x//c)] and E_z = 0 . What is the direction of propagation of electromagnetic waes?