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
A. mV
B. µV
C. V
D. None of the above
A. Hartley
B. RC phase-shift
C. Wien-bridge
D. Crystal
In a transmitter ____________oscillator is used? Read More »
Modulation and Demodulation A. Carrier
B. Sidebands
C. Both sidebands and carrier
D. None of the above
In an AM wave useful power is carrier by ______________? Read More »
Modulation and Demodulation A. Lower sideband
B. Upper sideband
C. Carrier
D. None of the above
In an AM wave, the majority of the power is in _____________? Read More »
Modulation and Demodulation A. Equal to
B. Greater than
C. Less than
D. None of the above
If modulation is 100% then signal amplitude is ____________arrier amplitude? Read More »
Modulation and Demodulation A. Amplitude
B. Frequency
C. Phase
D. None of the above
A. Frequency
B. Amplitude
C. Phase
D. None of the above
In pakistan, ______________ modulation is used for radio transmission? Read More »
Modulation and Demodulation A. Transmitter
B. Radio receiver
C. Between transmitter and radio receiver
D. None of the above
Modulation is done in____________________ Read More »
Modulation and Demodulation A. Thrice
B. Four times
C. Twice
D. None of the above
In amplitude modulation, bandwidth is ____________ the audio signal frequency? Read More »
Modulation and Demodulation A. 50%
B. 40%
C. 60%
D. 25%
At 100% modulation, the power in each sideband is _____________ of that of carrier? Read More »
Modulation and Demodulation