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MCQs

Analog Electronics

Total Questions : 482 | Page 49 of 49 pages
Question 481. The current gain of a BJT is
  1.    gm r0
  2.    gm / r0
  3.    gm rπ
  4.    gm /rπ
 Discuss Question
Answer: Option C. -> gm rπ
Question 482. In a CB amplifier the maximum efficiency could be
  1.    99%
  2.    85%
  3.    50%
  4.    25%
 Discuss Question
Answer: Option D. -> 25%

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