In the above question, what is the power in sidebands ?

Related Mcqs:

1. In the above question, what is the power in sidebands?

   A. 8 kW
   B. 6 kW
   C. 06 kW
   D. 9 kW

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

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

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

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

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

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

5. If level of modulation is increased ______________ power is increased?

   A. Carrier
   B. Sideband
   C. Carrier as well as sideband
   D. None of the above

6. 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

7. In a transmitter ____________oscillator is used?

   A. Hartley
   B. RC phase-shift
   C. Wien-bridge
   D. Crystal

8. Demodulation is done in ________________?

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

9. 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

10. If Amin = 40 and Amax = 60, what is the percentage of modulation?

    A. 20 %
    B. 40 %
    C. 50 %
    D. 10 %