A signal of frequency 20 kHz and peak voltage of 5 Volt is used to modulate a carrier wave of frequency 1.2 MHz and peak voltage 25 Volts.  Choose the correct statement.
Option: 1  Modulation index=5, side frequency bands are at 1400 kHz and 1000 kHz
Option: 2 Modulation index=5, side frequency bands are at 21.2 kHz and 18.8 kHz
Option: 3 Modulation index=0.8, side frequency bands are at 1180 kHz and 1220 kHz
Option: 4 Modulation index=0.2, side frequency bands are at 1220 kHz and 1180 kHz  
 

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