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A 1000 kHz carrrier is simultaneously mo...

A `1000 kHz` carrrier is simultaneously modulated with `300Hz`, `800Hz` and `2 kHz` audio waves. The frequencies present in the output are

A

999.7 kHz, 100.3 kHz, 999.2 kHz

B

1000.8 kHz, 998 kHz, 1002 kHz

C

1002.8 kHz, 996 kHz, 1106 kHz

D

both (a) and (b)

Text Solution

Verified by Experts

The correct Answer is:
D
Frequencies present in the output = ` 100 pm 0.3 `
`1000 pm 21 i.e. ` to`
999.7 KHz , 100.3 KHz , 999.2 KHZ
1000.8 KHz, 998 KHz, 1002 KHz
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