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If modulation index of an AM was in changed from 0 to 1, then transmitted power ________

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If modulation index of an AM was in changed from 0 to 1, then transmitted power ________

(a) increases by 100%

(b) increases by 50%

(c) increases by 75%

(d) increases by 25%

I have been asked this question by my college director while I was bunking the class.

Query is from Comparision of SSB Suppression Techniques topic in portion SSB Modulation of Analog Communications

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The correct choice is (b) increases by 50%

Best explanation: Modulation index indicates amount of modulation in the carrier signal. If modulation index changes to 1 from 0, its transmitted power increases by 50%.

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