Electromagnetic Induction MCQ

Electromagnetic Induction MCQ

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  • 27th Aug, 2022

Take Electromagnetic Induction MCQ Test & Online Quiz to test your Knowledge

Practice below the best Electromagnetic Induction MCQ test that checks your basic knowledge of Electromagnetic Induction. This Electromagnetic Induction MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also download Electromagnetic Induction MCQ PDF completely free.

Electromagnetic Induction MCQ Test

1) Which of the following is the consequence of motor effect?

  • A. Voltage
  • B.Current
  • C.EMF
  • D.Electromagnetic induction

2) Electromotive force is actually a ..........

  • A. Flux
  • B.Current
  • C.Force
  • D.Voltage

3) Which of the following is the unit of MMF?

  • A. A
  • B.A-m
  • C.A/m
  • D.None of the above

4) What does MMF stands for?

  • A. Magnetic Motion Force
  • B.Magnetomotive Force
  • C.Magnetomotion Force
  • D.None of the above

5) Can we apply Kirchhoff’s law to magnetic circuits?

  • A. Yes
  • B.No

6) What is the full form of EMF?

  • A. Electromated force
  • B.Electromagnetic force
  • C.Electromotive force
  • D.Electronic magnetic force

7) What is the relation between the direction of induced emf and the direction of motion of the conductor?

  • A. Equal
  • B.Parallel
  • C.Perpendicular
  • D.None of the above

8) The middle finger points towards .............. according to Fleming’s right hand rule?

  • A. E.M.F.
  • B.Current
  • C.Magnetic flux
  • D.Motion of the conductor

9) What is the formula for induced emf?

  • A. e=t*ϕ
  • B.e=t2ϕ
  • C.e=dϕ /dt
  • D.e=dt/dϕ

10) Which of the following Materials are having good retentivity?

  • A. Weak magnets
  • B.Strong magnets
  • C.Permanent magnets
  • D.Temporary magnets

11) What is the unit of the permeability of free space?

  • A. Henry
  • B.Henry/m
  • C.Henry-m
  • D.None of the above

12) What is the electrical equivalent of reluctance?

  • A. Inductance
  • B.Resistance
  • C.Capacitance
  • D.None of the above

13) Which of the following circuit elements will oppose the change in circuit current?

  • A. Inductance only
  • B.Resistance only
  • C.Capacitance only
  • D.None of the above

14) The current is proportional to .............. in case of inductance?

  • A. Magnetic field
  • B.Voltage across the inductance
  • C.Both A & B
  • D.None of the above

15) ........... stores the energy in the electromagnetic field?

  • A. Resistance
  • B.Inductance
  • C.Varibale Register
  • D.None of the above

16) Which of the following is the wrong statement?

  • A. Induction furnace uses eddy current to produce heat
  • B.Eddy currents are produced in a steady magnetic field
  • C.Eddy currents can be minimized by using laminated core
  • D.None of the above

17) Direction of induced current is such that it opposes the cause which produces it.

  • A. True
  • B.False

18) The total number of magnetic lines of force crossing a surface normally is called -

  • A. magnetic field
  • B.magnetic flux
  • C.magnetic induction
  • D.None of the above

19) ........... does not use the application of eddy current.

  • A. Induction furnace
  • B.Electric power meters
  • C.LED lights
  • D.None of the above

20) What is the unit of magnetic flux?

  • A. Weber
  • B.Maxwell
  • C.Both A & B

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