Chemical Engineering Mcqs

Submitted By: Ali Uppal

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    • Related Mcqs

  • The IF is 455 kHz. If the radio receiver is tuned to 855 kHz, the local oscillator frequency is _______________?
  • A 100 V carrier is made to vary between 160 V and 40 V by the signal. What is the modulation factor ?
  • If Amin = 40 and Amax = 60, what is the percentage of modulation?
  • In a radio receiver, we generally use ………….. oscillator as a local oscillator
  • In a superhetrodyne receiver, the difference frequency is chosen as the IF rather than the sum frequency because _________________?

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