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

Related Mcqs:

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

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

2. 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...

3. 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...

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. 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...

6. 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...

7. 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...

8. In superhetrodyne receiver, the input at mixer stage is________________?

   A. IF and RF B. RF and AF C. IF and AF D. RF and local oscillator signal...

9. Most of the amplification in a superhetrodyne receiver occurs at ______________stage?

   A. IF B. RF amplifier C. Audio amplifier D. Detector...

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...