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in Physics by (68.9k points)
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In the case of amplitude modulation to avoid distortion the modulation index (μ) should be : 

(A) μ ≤ 1 

(B) μ ≥ 1 

(C) μ = 2 

(D) μ = 0

1 Answer

+1 vote
by (67.7k points)
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Best answer

Correct option is (A) μ ≤1 

μ = Am / Ac

μ ≤ 1 to avoid distortion

because μ ≥ 1 will result in interference between career frequency & message frequency.

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