In TV transmission, sound signal is ______________modulated?

Related Mcqs:

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

   A. Frequency
   B. Phase
   C. Amplitude
   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. In amplitude modulation, bandwidth is ____________ the audio signal frequency?

   A. Thrice
   B. Four times
   C. Twice
   D. None of the above

4. 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

5. If modulation is 100% then signal amplitude is ____________arrier amplitude?

   A. Equal to
   B. Greater than
   C. Less than
   D. None of the above

6. 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

7. Overmodulation (amplitude) occurs when signal amplitude is _____________ carrier amplitude?

   A. Equal to
   B. Greater than
   C. Less than
   D. None of the above

8. When the modulating signal controls the frequency of the carrier, we get______________?

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

9. A 100 V carrier is made to vary between 160 V and 40 V by the signal. What is the modulation factor ?

   A. 3
   B. 6
   C. 5
   D. None of the above

10. 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