GATE EC 2004 Electromagnetics Solution Q 5

# GATE EC 2004 Electromagnetics Solution Q 5

Consider a lossless antenna with a directive gain of +6 dB. If 1 mW of power is fed to it the total power radiated by the antenna will be _.

(a) 4 mW

(b) 1 mW

(c) 7 mW

(d) 1/4 mW

Ans :- (b)

Explanation

As antenna is lossless, the antenna efficiency is 100%.

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