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Q. 23

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 902

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Short Answer

At what distance from a point source of electromagnetic waves is the magnetic field amplitude ?

Distance,

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Step by Step Solution

Step1: Electromagnetic waves

EM waves are waves that are formed when an electrical field and a physical phenomenon vibrate together.

Step2: Find Average Current

Given Values:

we know that:

Now,

Step3: Find Distance

Average Current,

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