Solved: A radio station is allowed to broadcast at an

Chapter 31, Problem 50GP

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QUESTION:

Problem 50GP

A radio station is allowed to broadcast at an average power not to exceed 25 kW. If an electric field amplitude of 0.020 V/m is considered to be acceptable for receiving the radio transmission, estimate how many kilometers away you might be able to detect this station.

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QUESTION:

Problem 50GP

A radio station is allowed to broadcast at an average power not to exceed 25 kW. If an electric field amplitude of 0.020 V/m is considered to be acceptable for receiving the radio transmission, estimate how many kilometers away you might be able to detect this station.

ANSWER:

Solution 50GP

We have  the following equations for Intensity.

I = P/4**r2 where P is power, I is Intensity, r is the distance

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