The function of ferrite antenna is to_________________?

Related Mcqs:

1. Superhertodyne principle refers to_________________?

   A. Using a large number of amplifier stages
   B. Using a push-pull circuit
   C. Obtaining lower fixed intermediate frequency
   D. None of the above

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

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

6. The IF is 455 kHz. If the radio receiver is tuned to 855 kHz, the local oscillator frequency is _______________?

   A. 455 kHz
   B. 1310 kHz
   C. 1500 kHz
   D. 1520 kHz

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

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

8. The major advantage of FM over AM is__________________?

   A. Reception is less noisy
   B. Higher carrier frequency
   C. Smaller bandwidth
   D. Small frequency deviation

9. 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

10. In a superhetrodyne receiver, the difference frequency is chosen as the IF rather than the sum frequency because _________________?

    A. The difference frequency is closer to oscillator frequency
    B. Lower frequencies are easier to amplify
    C. Only the difference frequency can be modulated
    D. None of the above