Lakshya Education MCQs

Question: In a base resistor method, if the value of ß changes by 50, then collector current will change by a factor
Answer: Option B

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Question 1. The operating point is also called the ___________
  1.    Cut off point
  2.    Quiescent point
  3.    Saturation point
  4.    None of the above
Answer: Option B
Question 2. In the design of a biasing circuit, the value of collector load RC is determined by ___________
  1.    VCE consideration
  2.    VBE consideration
  3.    IB consideration
  4.    None of the above
Answer: Option A
Question 3. The operating point ___________ on the a.c. load line
  1.    Also line
  2.    Does not lie
  3.    May or may not lie
  4.    Data insufficient
Answer: Option A
Question 4. For good stabilsation in voltage divider bias, the current I1 flowing through R1 and R2 should be equal to or greater than
  1.    10 IB
  2.    3 IB
  3.    2 IB
  4.    4 IB
Answer: Option A
Question 5. For germanium transistor amplifier, VCE should ___________ for faithful amplification
  1.    Be zero
  2.    Be 0.2 V
  3.    Not fall below 0.7 V
  4.    None of the above
Answer: Option C
Question 6. A heat sink is generally used with a transistor to ___________
  1.    increase the forward current
  2.    decrease the forward current
  3.    compensate for excessive doping
  4.    prevent excessive temperature rise
Answer: Option D

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