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MCQs

Total Questions : 37 | Page 4 of 4 pages
Question 31. The voltage gain of an emitter follower is _____________?
  1.    Much less than 1
  2.    Approximately equal to 1
  3.    Greater than 1
  4.    None of the above
 Discuss Question
Answer: Option B. -> Approximately equal to 1
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 32. Emitter follower is a _______________circuit?
  1.    Voltage feedback
  2.    Current feedback
  3.    Both voltage and current feedback
  4.    None of the above
 Discuss Question
Answer: Option A. -> Voltage feedback
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 33. Emitter follower is used for________________?
  1.    Current gain
  2.    Impedance matching
  3.    Voltage gain
  4.    None of the above
 Discuss Question
Answer: Option B. -> Impedance matching
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 34. An emitter follower has ______________input impedance?
  1.    Zero
  2.    Low
  3.    High
  4.    None of the above
 Discuss Question
Answer: Option C. -> High
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 35. When a negative voltage feedback is applied to an amplifier, its bandwidth_____________?
  1.    Is increased
  2.    Is decreased
  3.    Remains the same
  4.    Insufficient data
 Discuss Question
Answer: Option A. -> Is increased
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 36. When voltage feedback (negative) is applied to an amplifier, its input impedance _______________?
  1.    Is decreased
  2.    Is increased
  3.    Remains the same
  4.    None of the above
 Discuss Question
Answer: Option B. -> Is increased
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 37. If voltage feedback (negative) is applied to an amplifier, its output impedance ______________?
  1.    Remains the same
  2.    Is increased
  3.    Is decreased
  4.    None of the above
 Discuss Question
Answer: Option C. -> Is decreased
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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