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For any given signal, average power in its 8 harmonic components as 50 mW each and fundamental component also has 50 mV power. Then, average power in the periodic signal is _______________

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For any given signal, average power in its 8 harmonic components as 50 mW each and fundamental component also has 50 mV power. Then, average power in the periodic signal is _______________

(a) 750

(b) 400

(c) 100

(d) 50

This question was addressed to me during an interview for a job.

I'd like to ask this question from Advanced Problems on Application of Laplace Transform in portion Application of the Laplace Transform in Circuit Analysis of Network Theory

1 Answer

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Best answer
Correct answer is (b) 400

Best explanation: We know that according to Parseval’s relation, average power is equal to the sum of the average powers in all of its harmonic components.

∴ Pavg = 50×8 = 400.

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