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MCQs

Total Questions : 122 | Page 1 of 13 pages
Question 1. IC = [a / (1 - a )] IB + ___________
  1.    ICEO
  2.    ICBO
  3.    IC
  4.    (1 - a ) IB
 Discuss Question
Answer: Option A. -> ICEO
Question 2. In a transistor, signal is transferred from a ___________ circuit
  1.    high resistance to low resistance
  2.    low resistance to high resistance
  3.    high resistance to high resistance
  4.    low resistance to low resistance
 Discuss Question
Answer: Option B. -> low resistance to high resistance
Question 3. In a transistor amplifier circuit VCE = VCB + ___________
  1.    VBE
  2.    2 VBE
  3.    5 VBE
  4.    None of the above
 Discuss Question
Answer: Option A. -> VBE
Question 4. IC = aIE + ___________
  1.    IB
  2.    ICEO
  3.    ICBO
  4.    ßIB
 Discuss Question
Answer: Option C. -> ICBO
Question 5. The stability factor of a collector feedback bias circuit is ___________ that of base resistor bias.
  1.    The same as
  2.    More than
  3.    Less than
  4.    None of the above
 Discuss Question
Answer: Option C. -> Less than
Question 6. When either L or C is increased, the resonant frequency of LC circuit ___________
  1.    Remains the same
  2.    Increases
  3.    Decreases
  4.    Insufficient data
 Discuss Question
Answer: Option C. -> Decreases
Question 7. If L/C ratio of a parallel LC circuit is increased, the Q of the circuit ___________
  1.    Is decreased
  2.    Is increased
  3.    Remains the same
  4.    None of the above
 Discuss Question
Answer: Option B. -> Is increased
Question 8. If the resistance of a tuned circuit is increased, the Q of the circuit ___________
  1.    Is increased
  2.    Is decreased
  3.    Remains the same
  4.    None of the above
 Discuss Question
Answer: Option B. -> Is decreased
Question 9. Most of the majority carriers from the emitter ___________
  1.    recombine in the base
  2.    recombine in the emitter
  3.    pass through the base region to the collector
  4.    none of the above
 Discuss Question
Answer: Option C. -> pass through the base region to the collector
Question 10. A transistor is connected in CB mode. If it is not connected in CE mode with same bias voltages, the values of IE, IB and IC will ___________
  1.    remain the same
  2.    increase
  3.    decrease
  4.    none of the above
 Discuss Question
Answer: Option A. -> remain the same

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