Lakshya Education MCQs

Question: In a parallel r-c circuit, the current always _________the applied voltage
Options:
A. Lags
B. Leads
C. Remains in phase with
D. None of the above
Answer: Option B

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More Questions on This Topic :

Question 1. Capacitive reactance is more when
  1.     Capacitance is less and frequency of supply is less
  2.     Capacitance is less and frequency of supply is more
  3.     Capacitance is more and frequency of supply is less
  4.     Capacitance is more and frequency of supply is more
Answer: Option A
Question 2. In a parallel r-c circuit, the current always _________the applied voltage
  1.     Lags
  2.     Leads
  3.     Remains in phase with
  4.     None of the above
Answer: Option B
Question 3. Skin effect occurs when a conductor carries current at _________ frequencies.
  1.     Very low
  2.     Low
  3.     Medium
  4.     High
Answer: Option D
Question 4. A pure capacitor connected across an a.c. voltage consumed 50 w. this is due to
  1.     The capacitive reactance in ohms
  2.     The current flowing in capacitor
  3.     The size of the capacitor being quite big
  4.     The statement is incorrect
Answer: Option D
Question 5. Time constant of a capacitive circuit
  1.     Increases with the decrease of capacitance and decrease of resistance
  2.     Increases with the decrease of capacitance and increase of resistance
  3.     Increases with the increase of capacitance and decrease of resistance
  4.     Increase with increase of capacitance and increase of resistance
Answer: Option D
Question 6. Skin effect occurs when a conductor carries current at _________ frequencies.
  1.     Very low
  2.     Low
  3.     Medium
  4.     High
Answer: Option D

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