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WMJH-AM is a radio station that serves the Grand Rapids, Michigan, area. The main broadcast frequency is 810 kHz. At a certain distance from the

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WMJH-AM is a radio station that serves the Grand Rapids, Michigan, area. The main broadcast frequency is 810 kHz. At a certain distance from the radio station transmitter, the magnitude of the magnetic field of the electromagnetic wave is 8.1 x 10-11 T. (a) Calculate the wavelength. E (b) What is the angular frequency? rad/s (c) Find the wave number of the wave. rad/m (d) What is the amplitude of the electric field at this distance from the transmitter? V /m

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