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1. An AM transmitter has an rms antenna current of 11 A when unmodulated and 13 A when sinusoidally modulated. The modulation index is :
(A): 0.79
(B): 0.33
(C): 0.98
(D): 0.89
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kerala-psc
ASSISTANT-PROFESSOR-IN-ELECTRICAL-AND-ELECTRONICS-ENGINEERING---TECHNICAL-EDUCATION---ENGINEERING-COLLEGES
063/2016
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