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A signal of 5 kHz frequency is amplitude modulated on a carrier wave of frequency 2 MHz. The frequencies of the resultant signal is/are :

1. 2 MHz only
2. 2005 kHz, and 1995 kHz
3. 2005 kHz, 2000 kHz and 1995 kHz
4. 2000 kHz, and 1995 kHz

Correct answer: 2005 kHz, 2000 kHz and 1995 kHz

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