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. mVB. µV C. V D. None of the above
The signal voltage induced in the aerial of a radio receiver is of the order of_____________? A. mVB. µV C. V D. None of the above
In a transmitter ____________oscillator is used? A. Hartley B. RC phase-shift C. Wien-bridgeD. Crystal
In an AM wave useful power is carrier by ______________? A. CarrierB. Sidebands C. Both sidebands and carrier D. None of the above
In an AM wave, the majority of the power is in _____________? A. Lower sideband B. Upper sidebandC. Carrier D. None of the above
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? A. Amplitude B. Frequency C. Phase D. None of the above
In pakistan, ______________ modulation is used for radio transmission? A. FrequencyB. Amplitude C. Phase D. None of the above
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? A. Thrice B. Four timesC. Twice D. None of the above
At 100% modulation, the power in each sideband is _____________ of that of carrier? A. 50% B. 40% C. 60%D. 25%