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MCQs

Total Questions : 80 | Page 4 of 8 pages
Question 31. What do you mean by duty cycle?
  1.    Ratio of on time and total time period
  2.    Ratio of off time and total time period
  3.    On time
  4.    Off time
 Discuss Question
Answer: Option A. -> Ratio of on time and total time period
Answer: (a).Ratio of on time and total time period
Question 32. What is the use of a gate circuit in TIM?
  1.    To produce sinusoidal signal
  2.    To produce pulse signal
  3.    To on and off input signal
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> To on and off input signal
Answer: (c).To on and off input signal
Question 33. TDC and TIM are used for the same application.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 34. Given a Wheatstone-bridge with external voltage V, Resistance Bridge with resistances P, Q, R, S, and galvanometer G. What is the balancing condition of bridge?Given A Wheatstone-bridge With External Voltage V, Resistanc...
  1.    P⁄Q = S⁄R
  2.    P⁄S = R⁄Q
  3.    P = R⁄Q
  4.    S = R⁄Q
 Discuss Question
Answer: Option A. -> P⁄Q = S⁄R
Answer: (a).P⁄Q = S⁄R
Question 35. Time require by the signal to reach 63% of amplitude is known as _____________
  1.    Duty cycle
  2.    Time delay
  3.    Time constant
  4.    On time
 Discuss Question
Answer: Option C. -> Time constant
Answer: (c).Time constant
Question 36. Which of the following can be treated as an equivalent of ampere?
  1.    Coulomb/second
  2.    Watt/second
  3.    Joule/second
  4.    Coulomb
 Discuss Question
Answer: Option A. -> Coulomb/second
Answer: (a).Coulomb/second
Question 37. Using a low resistant shunt Moving coil, permanent magnet instrument can be converted to ______________
  1.    Volt meter
  2.    Ammeter
  3.    Flux-meter
  4.    Watt meter
 Discuss Question
Answer: Option B. -> Ammeter
Answer: (b).Ammeter
Question 38. An induction meter can handle current up to __________
  1.    Below 10A
  2.    10A
  3.    50A
  4.    100A
 Discuss Question
Answer: Option D. -> 100A
Answer: (d).100A
Question 39. Which of the following effect is used in AC ammeters?
  1.    Electromagnetic effect
  2.    Electrostatic effect
  3.    Chemical effect
  4.    Magnetic effect
 Discuss Question
Answer: Option A. -> Electromagnetic effect
Answer: (a).Electromagnetic effect
Question 40. What will be the average value of current, if its peak value is 43A?
  1.    27.4A
  2.    37.7A
  3.    21.5A
  4.    60.8A
 Discuss Question
Answer: Option A. -> 27.4A
Answer: (a).27.4A

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