What is an Electromagnetic Wave? Video Lessons

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Problem: A microwave oven operates at 2.4 GHz with an intensity inside the oven of 2350 W/m2.a. What is the amplitude of the oscillating magnetic field?b. What is the amplitude of the oscillating electric field?

FREE Expert Solution

The amplitude of oscillating magnetic field:

B0=2μ0Ic, where μ0 is the permeability of free space, I is the intensity of the electromagnetic wave, and c is the speed of light in a vacuum.

The amplitude of the oscillating electric field is:

E0=cB0

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Problem Details

A microwave oven operates at 2.4 GHz with an intensity inside the oven of 2350 W/m2.

a. What is the amplitude of the oscillating magnetic field?

b. What is the amplitude of the oscillating electric field?

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