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

Related Mcqs:

1. 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 kW...

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

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

3. 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...

4. In amplitude modulation, bandwidth is ____________ the audio signal frequency?

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

5. 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...

6. 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...

7. At 100% modulation, the power in each sideband is _____________ of that of carrier?

   A. 50% B. 40% C. 60% D. 25%...

8. In an AM wave useful power is carrier by ______________?

   A. Carrier B. Sidebands C. Both sidebands and carrier D. None of the above...

9. As the modulation level is increased, the carrier power__________________?

   A. Is increased B. Remains the same C. Is decreased D. None of the above...

10. 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...