The letters AVC stand for ________________?

Related Mcqs:

1. 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

2. In radio transmission, the medium of transmission is ________________?

   A. Space
   B. An antenna
   C. Cable
   D. None of the above

3. Demodulation is done in ________________?

   A. Receiving antenna
   B. Transmitter
   C. Radio receiver
   D. Transmitting antenna

4. If a radio receiver amplifies all the signal frequencies equally well, it is said to have high ________________?

   A. Sensitivity
   B. Selectivity
   C. Distortion
   D. Fidelity

5. Modulation refers to a low-frequency signal controlling the ________________?

   A. Amplitude of the carrier
   B. Frequency of the carrier
   C. Phase of the carrier
   D. May be any of the above

6. In an AM wave, the majority of the power is in _____________?

   A. Lower sideband
   B. Upper sideband
   C. Carrier
   D. None of the above

7. In TV transmission, picture signal is ______________ modulated?

   A. Frequency
   B. Phase
   C. Amplitude
   D. None of the above

8. 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

9. In a radio receiver, we generally use ………….. oscillator as a local oscillator

   A. Crystal
   B. Wien-bridge
   C. Phase-shift
   D. Hartley

10. 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 above