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A wave of frequency of 10 kHz and amplit...

A wave of frequency of 10 kHz and amplitude 20 volts is being used to modulate amplitude of carrier wave of frequency 1000 kHz and peak voltage 40 volts. Choose correct option regarding carrier modulated wave.

A

Equation of carrier modulated wave is `40{1+0.25 sin 20pi xx 10^(3)t} sin(2pi xx 10^(6)t)` and modulation index is 0.2

B

Equation of carrier modulated wave is `40{1+0.25 sin 20pi xx 10^(5)t} sin(2pi xx 10^(4)t)` and modulation index is 0.5

C

Equation of carrier modulated wave is `40{1+0.5 sin 20pi xx 10^(3)t} sin(2pi +10^(6)t)` and modulation index is 2

D

Equation of carrier modulated wave is `40{1+0.5sin20pi xx 10^(3)t} sin(2pi xx 10^(6)t)` and depth of modulation is 0.5

Text Solution

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The correct Answer is:
D
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