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MCQs

Total Questions : 122 | Page 11 of 13 pages
Question 101. At series or parallel resonance, the circuit behaves as a ___________ load
  1.    Capacitive
  2.    Resistive
  3.    Inductive
  4.    None of the above
 Discuss Question
Answer: Option B. -> Resistive
Question 102. For frequencies below resonant frequency, a series LC circuit behaves as a ___________ load
  1.    Resistive
  2.    Capacitive
  3.    Inductive
  4.    None of the above
 Discuss Question
Answer: Option B. -> Capacitive
Question 103. For frequencies above the resonant frequency, a parallel LC circuit behaves as a ___________ load
  1.    Capacitive
  2.    Resistive
  3.    Inductive
  4.    None of the above
 Discuss Question
Answer: Option A. -> Capacitive
Question 104. For frequencies above the resonant frequency , a series LC circuit behaves as a ___________ load
  1.    Resistive
  2.    Inductive
  3.    Capacitive
  4.    None of the above
 Discuss Question
Answer: Option B. -> Inductive
Question 105. For frequencies below the resonant frequency , a parallel LC circuit behaves as a ___________ load
  1.    Inductive
  2.    Resistive
  3.    Capacitive
  4.    None of the above
 Discuss Question
Answer: Option A. -> Inductive
Question 106. A tuned amplifier uses ___________ load
  1.    Resistive
  2.    Capacitive
  3.    LC tank
  4.    Inductive
 Discuss Question
Answer: Option C. -> LC tank
Question 107. As the temperature of a transistor goes up, the base emitter resistance ___________
  1.    decreases
  2.    increases
  3.    remains the same
  4.    none of the above
 Discuss Question
Answer: Option A. -> decreases
Question 108. A transistor has ___________
  1.    one pn junction
  2.    two pn junctions
  3.    three pn junctions
  4.    four pn junctions
 Discuss Question
Answer: Option B. -> two pn junctions
Question 109. The collector-base junction in a transistor has ___________
  1.    forward bias at all times
  2.    reverse bias at all times
  3.    low resistance
  4.    none of the above
 Discuss Question
Answer: Option B. -> reverse bias at all times
Question 110. If biasing is not done in an amplifier circuit, it results in ___________
  1.    Decrease in the base current
  2.    Unfaithful amplification
  3.    Excessive collector bias
  4.    None of the above
 Discuss Question
Answer: Option B. -> Unfaithful amplification

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