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MCQs

Total Questions : 122 | Page 6 of 13 pages
Question 51. The output impedance of a transistor connected in ___________ arrangement is the highest
  1.    common emitter
  2.    common collector
  3.    common base
  4.    none of the above
 Discuss Question
Answer: Option C. -> common base
Question 52. The input impedance of a transistor connected in ___________ arrangement is the highest
  1.    common emitter
  2.    common collector
  3.    common base
  4.    none of the above
 Discuss Question
Answer: Option B. -> common collector
Question 53. The voltage gain in a transistor connected in ___________ arrangement is the highest
  1.    common base
  2.    common collector
  3.    common emitter
  4.    none of the above
 Discuss Question
Answer: Option C. -> common emitter
Question 54. The power gain in a transistor connected in ___________ arrangement is the highest
  1.    common emitter
  2.    common base
  3.    common collector
  4.    none of the above
 Discuss Question
Answer: Option A. -> common emitter
Question 55. In a transistor if ß = 100 and collector current is 10 mA, then IE is ___________
  1.    100 mA
  2.    10.1 mA
  3.    110 mA
  4.    none of the above
 Discuss Question
Answer: Option B. -> 10.1 mA
Question 56. The Q of a tuned amplifier is generally ___________
  1.    Less than 5
  2.    Less than 10
  3.    More than 10
  4.    None of the above
 Discuss Question
Answer: Option C. -> More than 10
Question 57. The purpose of resistance in the emitter circuit of a transistor amplifier is to ___________
  1.    Limit the maximum emitter current
  2.    Provide base-emitter bias
  3.    Limit the change in emitter current
  4.    None of the above
 Discuss Question
Answer: Option C. -> Limit the change in emitter current
Question 58. The value of ß for a transistor is generally ___________
  1.    1
  2.    less than 1
  3.    between 20 and 500
  4.    above 500
 Discuss Question
Answer: Option C. -> between 20 and 500
Question 59. If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to ___________
  1.    6 mA
  2.    2 mA
  3.    3 mA
  4.    1 mA
 Discuss Question
Answer: Option C. -> 3 mA
Question 60. For proper amplification by a transistor circuit, the operating point should be located at the ___________ of the d.c. load line
  1.    The end point
  2.    Middle
  3.    The maximum current point
  4.    None of the above
 Discuss Question
Answer: Option B. -> Middle

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