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April 20, 2014

Homework Help: College Physics

Posted by charlie on Wednesday, April 4, 2012 at 9:25pm.

A radio station with a power of 20 kW sends out an omnidirectional wave at 1.25 MHz.

a. If the electromagnetic wave has an electric field of 0.22 V/m, what is the magnetic field amplitude?

b. What is the intensity of the wave at 5 km?

c. What is the wavelength of the electromagnetic wave?

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