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In: Physics

A radio antenna broadcasts a 1.0 MHz radio wave with 29.0 kW of power. Assume that...

A radio antenna broadcasts a 1.0 MHz radio wave with 29.0 kW of power. Assume that the radiation is emitted uniformly in all directions.

What is the wave's intensity 25.0 km from the antenna?

The answer is 3.69×10−6 W/m^2

What is the electric field amplitude at this distance?

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