Time Left - 25:00 mins
Class XII Physics Communication System Quiz 4
Attempt now to get your rank among 2069 students!
The waves used for line-of-sight (LOS) communication is
In a common base amplifier, the phase difference between input and output is
A telephonic communication service is working at carrier frequency of 10 GHz. Only 10% of it is utilized for transmission. How many telephonic channels can be transmitted simultaneously if each channel requires a bandwidth of 5 kHz?
The carrier frequency in an FM modulator is 500 kHz. If the modulating frequency is 3 kHz. What are the upper sideband and two lower sideband frequencies?
A sinusoidal wave carrier voltage of frequency 2 MHz and amplitude 200 volts is amplitude modulated by the sinusoidal voltage of frequency 10 kHz producing modulation. Calculate the frequency and amplitude of upper and lower sidebands.
Which of the following is/are drawback of Amplitude Modulation?
Which of the following is true for Frequency Modulation?
For ground wave transmission which of the following is true.
- 2069 attempts
- 15 upvotes
- 23 comments
Nov 24JEE & BITSAT
Avinash KumarMember since Feb 2017Don't quit, suffer now and live the rest of your life as a champion. -Muhammad Ali