The signal voltage induced in the aerial of a radio receiver is of the order of ________________?
A. mV
B. µV
C. V
D. None of the above
Month: December 2018
The signal voltage induced in the aerial of a radio receiver is of the order of_____________?
The signal voltage induced in the aerial of a radio receiver is of the order of_____________?
A. mV
B. µV
C. V
D. None of the above
In a transmitter ____________oscillator is used?
In a transmitter ____________oscillator is used?
A. Hartley
B. RC phase-shift
C. Wien-bridge
D. Crystal
In an AM wave useful power is carrier by ______________?
In an AM wave useful power is carrier by ______________?
A. Carrier
B. Sidebands
C. Both sidebands and carrier
D. None of the above
In an AM wave, the majority of the power is in _____________?
In an AM wave, the majority of the power is in _____________?
A. Lower sideband
B. Upper sideband
C. Carrier
D. None of the above
If modulation is 100% then signal amplitude is ____________arrier amplitude?
If modulation is 100% then signal amplitude is ____________arrier amplitude?
A. Equal to
B. Greater than
C. Less than
D. None of the above
In amplitude modulation, the _____________of carrier is varied according to the strength of the signal?
In amplitude modulation, the _____________of carrier is varied according to the strength of the signal?
A. Amplitude
B. Frequency
C. Phase
D. None of the above
In pakistan, ______________ modulation is used for radio transmission?
In pakistan, ______________ modulation is used for radio transmission?
A. Frequency
B. Amplitude
C. Phase
D. None of the above
Modulation is done in____________________
Modulation is done in____________________
A. Transmitter
B. Radio receiver
C. Between transmitter and radio receiver
D. None of the above
In amplitude modulation, bandwidth is ____________ the audio signal frequency?
In amplitude modulation, bandwidth is ____________ the audio signal frequency?
A. Thrice
B. Four times
C. Twice
D. None of the above