Radio signals typically have a very small intensity. Imagine that a vehicle receives a signal of (10
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Radio signals typically have a very small intensity. Imagine that a vehicle receives a signal of \(10 \mu \mathrm{W} / \mathrm{m}^{2}\).
(a) What are the maximum magnitudes of the electric and magnetic fields?
\((b)\) If the tower emitting the radio waves is located \(8.0 \mathrm{~km}\) away from the vehicle, how powerful is the emitting antenna?
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