In an amplitude modulator circuit| POC | JEE MAIN 2019

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JEE MAIN 2019

12-04-2019 S2

Question

In an amplitude modulator circuit, the carrier wave is given by, $C(t)=4 \sin (20000 \pi t)$ while modulating signal is given by, $m(t)=2 \sin (2000 \pi t)$. The values of modulation index and lower side band frequency are:

Select the correct option:

A

0.5 and 10 kHz

B

0.3 and 9 kHz

C

0.4 and 10 kHz

D

0.5 and 9 kHz

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Solution

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