In the above question, what is the power in sidebands?
In the above question, what is the power in sidebands?
A. 8 kW
B. 6 kW
C. 06 kW
D. 9 kW
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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 aboveIn a TRF radio receiver, the RF and detection stages are tuned to______________?
In a TRF radio receiver, the RF and detection stages are tuned to______________?A. Radio frequency
B. IF
C. Audio frequency
D. None of the aboveIn 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 aboveA 50 kW carrier is to be amplitude modulated to a level of 85%. What is the carrier power after modulation ?
A 50 kW carrier is to be amplitude modulated to a level of 85%. What is the carrier power after modulation ?A. 50 kW
B. 5 kW
C. 8 kW
D. 25 kWAs the modulation level is increased, the carrier power__________________?
As the modulation level is increased, the carrier power__________________?A. Is increased
B. Remains the same
C. Is decreased
D. None of the aboveThe function of ferrite antenna is to_________________?
The function of ferrite antenna is to_________________?A. Reduce stray capacitance
B. Stabilise d.c. bias
C. Increase the Q of tuned circuit
D. Reduce noise