Communications MCQ Set 1 1. If the modulating frequency of a carrier wave varies between 700Hz and 7KHz, find it’s bandwidth? a) 10 KHz b) 23 KHz c) 17.3 KHz d) 12.6 KHz AnswerAnswer: d [Reason:] fm= 7KHz – 700Hz =6.3KHz and Bandwidth = 2fm= 2 x 6.3 = 12.6 KHz. 2. A 400W carrier…
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