Basic Electrical MCQ

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Basic Electrical Engineering MCQs - Electrical Engineering

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    Question 1: The insulation on a current carrying conductor is provided ?

  • none of above factors
  • to prevent shock
  • both of above factors
  • to prevent leakage of current

    • Answers: both of above factors

    Question 2: Bulbs in street lighting are all connected in ?

  • parallel
  • end-to-end
  • series
  • series-parallel

    • Answers: parallel

    Question 3: It becomes more difficult to remove ?

  • any electron from the orbit
  • second electron from the orbit
  • first electron from the orbit
  • third electron from the orbit

    • Answers: third electron from the orbit

    Question 4: ln a series circuit with unequal resistances ?

  • the lowest resistance bas the highest voltage drop
  • the highest resistance has the highest voltage drop
  • the lowest resistance has the highest current
  • the highest resistance has the-most of the current through it

    • Answers: the highest resistance has the highest voltage drop

    Question 5: Electric current passing through the circuit produces ?

  • magnetic effect
  • thermal effect
  • all above effects
  • luminous effect

    • Answers: all above effects

    Question 6: Insulating materials have the function of ?

  • storing very high currents
  • preventing an open circuit between the voltage source and the load
  • conducting very large currents
  • preventing a short circuit between conducting wires

    • Answers: preventing a short circuit between conducting wires

    Question 7: The number of electrons in the outermost orbit of carbon atom is ?

  • 7
  • 4
  • 6
  • 10

    • Answers: 4

    Question 8: A rheostat differs from potentiometer in the respect that it ?

  • offers large number of tappings
  • has lower wattage rating
  • has higher wattage rating
  • has large number of turns

    • Answers: has higher wattage rating

    Question 9: For testing appliances, the wattage of test lamp should be ?

  • high
  • any value
  • low
  • very low

    • Answers: high

    Question 10: The rating of a fuse wire is always expressed in ?

  • ampere-volts
  • kWh
  • ampere-hours
  • amperes

    • Answers: amperes

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Total Questions Attempted: 0

Correct: 0 Wrong: 0

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