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MCQ Questions for CBSE Class 12 with Answers
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Radio Receivers Gate & PSU MCQ Questions With Answers
1.
Which of the following circuits is not typically part of every radio transmitter?
carrier oscillator
driver amplifier
mixer
final power amplifier
2.
In an AM transmitter, a clipper circuit eliminates
harmonics
splatter
overdeviation
excessive gain
3.
The Radio Act of 1927 set up the ________ to regulate the airwaves and grant licenses to broadcasters who serve a public interest.
Federal Airwaves Commission (FAC)
Federal Radio Commission (FRC)
Radio Airwaves Commission (FAC)
4.
What radio medium was first introduced in 2001 and was billed as the "next best thing in radio"?
Satellite Radio — XM & Sirius
Podcasting
Subscription radio
5.
What was the most famous radio presentations of all times in 1938, which broadcasted that earth was being taken over by Martians?
“Little Orphan Annie” Christmas Story episode
Orson Welles’ Halloween show “War of the Worlds”
Memoirs of “The Adventures of Sherlock Holmes”
6.
Who developed the first telegraph, sending Morse code signals that traveled from England to Newfoundland?
Chester
Marconi
Johnson
Morrissey
7.
Who first produced radio waves through an oscillator in 1887, which included two coils of wire & transmitting radio waves from one coil to the other?
Heinrich Hertz
Rick Dees
Wilton Meyers
Gregory Vincent
8.
What organization regulates both radio and television?
Federal Communications Commission
Federal Commission Company
Funding Communications Commission
9.
Maximum power transfer occurs when the generator impedance Zi is equal to the load impedance Zl
True
False
10.
Neutralization is the process of
cancelling the effect of internal device capacitance
bypassing undesired Alternating Current
reducing gain
eliminating harmonics
11.
In a speech-processing circuit, a low-pass filter prevents
overdeviation
overmodulation
high gain
excessive signal bandwidth (BW)
12.
What Act created federal funding to support public radio & television to offer Americans programming that dealt with the arts and public affairs?
Public Arts Act of 1970
Arts and Public Affairs Act of 1980
Public Broadcasting Act of 1967
13.
What is a drawback of high-definition (HD) radio?
Receivers are scratchy and difficult to listen to.
Receivers are much more expensive than traditional radio.
Receivers are not available on the car radio system.
14.
What was the first radio network founded in 1925 with a music special from the Waldof-Astoria Hotel in NYC?
ABC
NBC
CBS
KROQ
15.
Class C amplifiers are not used in which type of transmitter?
AM
SSB
CW
FM
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