A. Frequency
B. Phase
C. Amplitude
D. None of the above
Advertisement
Related Mcqs:
- 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...
- In TV transmission, sound signal is ______________modulated?
- A. Amplitude B. Frequency C. Phase D. None of the above...
- In radio transmission, the medium of transmission is ________________?
- A. Space B. An antenna C. Cable D. None of the above...
- In pakistan, ______________ modulation is used for radio transmission?
- A. Frequency B. Amplitude C. Phase D. None of the above...
- In amplitude modulation, the _____________of carrier is varied according to the strength of the signal?
- A. Amplitude B. Frequency C. Phase D. None of the above...
- If modulation is 100% then signal amplitude is ____________arrier amplitude?
- A. Equal to B. Greater than C. Less than D. None of the above...
- The signal voltage induced in the aerial of a radio receiver is of the order of ________________?
- A. mV B. ยตV C. V D. None of the above...
- Overmodulation (amplitude) occurs when signal amplitude is _____________ carrier amplitude?
- A. Equal to B. Greater than C. Less than D. None of the above...
- A 100 V carrier is made to vary between 160 V and 40 V by the signal. What is the modulation factor ?
- A. 3 B. 6 C. 5 D. None of the above...
- 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...
Advertisement