Electrical MCQ Questions and Answers

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The Electrical MCQ section is essential for students preparing for GATE, NTPC, BHEL, and other electrical engineering recruitment exams. This topic provides a rich set of aptitude questions and answers based on electrical fundamentals like circuits, power systems, machines, and measurements. Each question includes clear explanations to help you master theoretical as well as numerical aspects. Regular practice helps strengthen problem-solving skills and boosts confidence during competitive exams. You can also download electrical aptitude questions with solutions PDF and attempt practice tests online to measure your progress. These questions mirror actual exam patterns, making them perfect for self-assessment and revision.

Electrical MCQ

Showing 10 of 17 questions

1. Find the total resistance when 2 Ohm and 4 Ohm resistances are in parallel.

  • 1.33 Ohms
  • 0.33 Ohms
  • 2.33 Ohms
  • 1 Ohm
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2. Expression for mmf in terms of field strength is

  • HI
  • H/I
  • HL
  • H/L
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3. is the property of magnetic which opposes the flow of flux through it.

  • Resistance
  • MMF
  • Reluctance
  • emf
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4. is the property of electrical conductor which oppose the flow of current through it

  • Reluctance
  • emf
  • mmf
  • Resistance
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5. Reluctance is expressed in

  • Ampere Weber
  • Ohm
  • Ampere/Weber
  • Volt/Ampere
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6. Reciprocal of reluctance is termed as

  • Conductance
  • Permenance
  • Permeability
  • None of these
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7. Ohm’s law for electric circuit will be

  • emf= current/resistance
  • emf= current X resistance
  • emf= resistance/current
  • emf= 1/( resistance X current)
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8. Ohm’s law for magnetic circuit will be

  • mmf= flux /resistance
  • flux= mmf X resistance
  • reluctance = mmf/ flux
  • Resistance= mmf X flux
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9. The chart given below indicates four different conditions under which an Induction motor may be called upon to operate, with a constant shaft load. Applied Rotor voltage Frequency Resistance 1. Normal Normal Normal 2. 80% Normal Normal 3. 80% 80% Normal 4. Normal Normal 80% The operating conditions which lead to increasing values of running slips will be In the sequence

  • 1,4,3,2
  • 1,4,2,3
  • 4,1,3,2
  • 4,1,2,3
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10. Consider the following statements about the operation of a three-phase induction motor running at full load: If one of the supply line fuse blows off, the motor will 1. Stall 2. Continue to run with increased slip, 3. continue to run with normal supply current 4. continue to run with excessive supply current Of these statements

  • 1 alone is correct
  • 3 alone is correct
  • 2 and 3 are correct
  • 2 and 4 are correct
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