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...