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MCQ Questions Electrical Engineering Modulation and Demodulation

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Modulation and Demodulation-5

MCQ Questions Electrical Engineering Modulation And Demodulation

Take a look at these MCQ Questions Electrical Engineering Modulation and Demodulation for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Electrical Engineering Modulation and Demodulation. 
As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.
 

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Electrical Engineering Modulation and Demodulation - Set - 5

Question 1: 

As the modulation level is increased, the carrier power …………..

  1. Is increased
  2. Remains the same
  3. Is decreased
  4. None of the above

Correct Answer – (A)

Question 2 : 

At 100% modulation, the power in each sideband is ………………… of that of carrier

  1. 50%
  2. 40%
  3. 60%
  4. 25%

Correct Answer – (D)

Question 3 : 

In amplitude modulation, the ………… of carrier is varied according to the strength of the signal.

  1. Amplitude
  2. Frequency
  3. Phase
  4. None of the above

Correct Answer – (A)

Question 4 : 

In an AM wave useful power is carrier by ………….

  1. Carrier
  2. Sidebands
  3. Both sidebands and carrier
  4. None of the above

Correct Answer – (B)

Question 5 : 

In a transmitter ……………. oscillator is used

  1. Hartley
  2. RC phase-shift
  3. Wien-bridge
  4. Crystal

Correct Answer – (D)

MCQ Questions Electrical Engineering Modulation and Demodulation

Question 6: 

Overmodulation results in …………..

  1. Weakening of the signal
  2. Excessive carrier power
  3. Distortion
  4. None of the above

Correct Answer – (C)

Question 7: 

 In an AM wave, the majority of the power is in …………….

  1. Lower sideband
  2. Upper sideband
  3. Carrier
  4. None of the above

Correct Answer – (C)

Question 8: 

In amplitude modulation, bandwidth is ……………. the audio signal frequency

  1. Thrice
  2. Four times
  3. Twice
  4. None of the above

Correct Answer – (C)

Question 9: 

In India, ……………. modulation is used for radio transmission

  1. Frequency
  2. Amplitude
  3. Phase
  4. None of the above

Correct Answer – (B)

Question 10: 

Modulation is done in …………..

  1. Transmitter
  2. Radio receiver
  3. Between transmitter and radio receiver
  4. None of the above

Correct Answer – (A)

MCQ Questions Electrical Engineering Modulation and Demodulation
Set 1
Set 2
Set 3
Set 4
Set 5

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