Time Left - 25:00 mins
Class XII Physics Communication System Quiz 1
Attempt now to get your rank among 524 students!
If Pc be the power dissipated by unmodulated carrier wave then the maximum power given by this wave is _____.
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.
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 :
The number of amplitude modulated broadcast stations that can be accommodated in a 300 kHz band width for the highest modulating frequency 15 kHz will be :
Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50V is amplitude modulated by sinusoidal voltage of frequency 10 kHz producing 50% modulation. The lower and upper-side-band frequencies in kHz are
What will be the upper side band (USB) of a signal of 10 KHz with peak voltage 10v is used to modulate frequency of 1 MHz and peak voltage 20v ?
The numbers of AM broadcast stations that can be accommodated in a 400 kHz bandwidth for the highest modulating frequency 20 kHz will be
What will be the modulating index of an audio signal having the amplitude one half of career Amplitude.
- 524 attempts
- 5 upvotes
- 16 comments
Nov 14JEE & BITSAT
Avinash KumarMember since Feb 2017Don't quit, suffer now and live the rest of your life as a champion. -Muhammad Ali