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TRANSISTOR MCQs

Total Questions : 20 | Page 1 of 2 pages
Question 1. The base of a transistor is …………
  1.    lightly
  2.    heavily
  3.    moderately
  4.    none of the above
 Discuss Question
Answer: Option A. -> lightly
Question 2. The element that has the biggest size in a transistor is ………………
  1.    base
  2.    emitter
  3.    collector
  4.    collector-base-junction
 Discuss Question
Answer: Option C. -> collector
Question 3. The collector of a transistor is …………
  1.    heavily
  2.    moderately
  3.    lightly
  4.    none of the above
  5.    Lightly
 Discuss Question
Answer: Option B. -> moderately
Question 4. In a npn transistor, ……………
  1.    free electrons
  2.    holes
  3.    donor ions
  4.    acceptor ions
 Discuss Question
Answer: Option B. -> holes
Question 5. The input impedance of a transistor is …………
  1.    low
  2.    high
  3.    very high
  4.    almost zero
 Discuss Question
Answer: Option A. -> low
Question 6. In a transistor, the base current is about …………
  1.    a wide depletion layer
  2.    a reverse bias
  3.    low resistance
  4.    none of the above
 Discuss Question
Answer: Option C. -> low resistance
Question 7. In a transistor ………………
  1.    IC = IE + IB
  2.    IB = IC + IE
  3.    IE = IC – IB
  4.    IE = IC + IB
 Discuss Question
Answer: Option D. -> IE = IC + IB
Question 8. In a transistor if β = 100 and collector current is 10 mA, then IE is …………
  1.    100 mA
  2.    110 mA
  3.    100.1 mA
  4.    none of the above
 Discuss Question
Answer: Option C. -> 100.1 mA
Question 9. In a pnp transistor, the current carriers are ……
  1.    acceptor ions
  2.    donor ions
  3.    free electrons
  4.    holes
 Discuss Question
Answer: Option D. -> holes
Question 10. The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is ………………
  1.    0o
  2.    90o
  3.    180o
  4.    270o
 Discuss Question
Answer: Option C. -> 180o

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