In radio transmission, the medium of transmission is ________________?

Related Mcqs:

1. In pakistan, ______________ modulation is used for radio transmission?

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

2. 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

3. 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

4. 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

5. In a radio receiver, noise is generally developed at _______________?

   A. IF stage
   B. Receiving antenna
   C. Audio stage
   D. RF stage

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

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

8. The diode detector in an AM radio receiver is usually found _____________?

   A. Before the first RF stage
   B. After the first RF stage
   C. After several stages of amplification
   D. None of the above

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 TV transmission, sound signal is ______________modulated?

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