A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will be
1
1.003 MHz and 0.997 MHz.
2
3001 kHz and 2997 kHz.
3
1003 kHz and 1000 kHz.
4
1 MHz and 0.997 MHz.