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Ground wave field strength is given by E= _________

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Ground wave field strength is given by E= _________

(a) AEo/d

(b) A(Eo)^2/d

(c) dEo

(d) AEo/d^2

I had been asked this question in a job interview.

The question is from Radio Wave Propagation topic in division Radio Wave Propagation of Antennas

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Correct option is (a) AEo/d

Explanation: The ground wave field strength at a point \(E=\frac{AE_o}{d}  V/m \)

Where Eo is field strength of wave at unit distance from transmitting antenna

A is factor of ground losses

D is distance of point from Transmitting antenna.

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