The amplitude of the magnetic field part of a harmonic EM wave in vacuum is `B_0 = 5 xx 10^-7` T What is the amplitude of the electric field part of the wave?

Calculate the frequency in MHz of a radio wave of wavelength 250 m. Remember that the speed of all EM wavesin vacum is B_0 = 5 xx 10^-7 T What is the amplitude of the electric field part of the wave?

The force exerted by an electric field on a charge of 5 micro-coulomb is 10 xx 10^-4 N. What is the electric intensity of the field at the point?

A short bar magnet placed with its axis at 30^@ with a uniform external magnetic field of 0.25 T experiences a torque of magnitude equal to 4.5 xx 10^-2 J .What is the magnitude of magnetic moment of the magnet ?

If the wavelength of a certain wave of light is 2.0 xx 10^3 cm. What is the frequency of this wave?

The magnetic field of an EM wave travelling along X-axis is vecB = 4 xx 10^-4 sin (wt - kx) vecK in tesla, Calculate the peak value of electric force acting on a particle of charge 5 muc travelling with a velocity of 5 xx 10^5 m/sec along the y axis.

For an EM wave propagations along x direction, the magnetic field oscillates along the z-direction at a frequency of 3 xx 10^10 Hz and has amplitude of 10^-9 T. What is the wavelength of the wave?

In free space, an EM wave of frequency 28 MHz travels along the x-direction. The amplitude of the electric field E = 9.6 V/m and its direction is along the y-axis. What is amplitude and direction of magnetic field B?

The strength of the magnetic field along solenoid having 5000 turns per meter is 3.14 xx 10^-2 T . The current flowing through the solenoid is