Q.
An AM wave is expressed as e=101+0.6cos2000πtcos2 x 108πt volts, the min and max values of modulated carrier wave are
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a
10 V, 20 V
b
4 V, 8 V
c
16 V , 4 V
d
8 V, 20 V
answer is C.
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Detailed Solution
Emax=1+μEc =1+0.610=16 V Emin=1−μEc=1−0.610=4 V
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