15th Chapter

12th Class Physics Chapter 15 Test

Here you can prepare 12th Class Physics Chapter 15 Electromagnetic Induction Test. Click the button for 100% free full practice test.

Second Year Physics Chapter 15 Online MCQ Test for 2nd Year Physics Chapter 15 Electromagnetic Induction Preparation

This online test contains MCQs about following topics:.

- Induced EMF and Induced Current - Motional EMF - Faraday's Law and Induced EMF - Lenz's Law and Direction of Induced EMF - Mutual Induction - Self Induction - Energy Stored in an Inductor - Alternating Current Generator - D.C. Generator - Back Motor Effect in Generator - D.C. Motor - Back EMF Effect in Motors - Transformer

FSC Part 2 Physics Ch 15 Test
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Second Year Physics Chapter 15 Online MCQ Test for 2nd Year Physics Chapter 15 Electromagnetic Induction Preparation

Sr. # Questions Answers Choice
1 Mutual induction play role in.
  • A. Generator
  • B. D.C. motor
  • C. Galvanometer
  • D. Transformer
2 Induced emf in A.C. generator can be increased by
  • A. Decreasing area of coil
  • B. Decreasing magnetic field
  • C. Increasing area of coil
  • D. Slowing down speed of coil
3 split rings are used in
  • A. A.C. generator
  • B. A.C. motor
  • C. Transformer
  • D. D.C. motor
4 One henry is equal to
  • A. 1 ohm x 1 sec
  • B. 1 ohm x 1 hertz
  • C. 1 ohm x 1 metre
  • D. All of above
5 The emf induced by the motion of a conductor across a magnetic field is called:
  • A. Motional emf
  • B. Rotational emf
  • C. Induced emf
  • D. All of above
6 The jerks in D.C. motor are created by the use of.
  • A. Armature
  • B. Commutators
  • C. Split rings
  • D. Source of emf
7 When back emf in motor is zero, it draws.
  • A. Zero current
  • B. Minimum current
  • C. Maximum current
  • D. Steady current
8 Lenz's law was given by Heinrich lenz in:
  • A. 1894
  • B. 1904
  • C. 1854
  • D. 1834
9 Lenz's law deals with
  • A. Magnitude of emf
  • B. Direction emf
  • C. Direction of induced current
  • D. Resistance
10 If force in the direction of velocity of conductor,  then induced current is directed,
  • A. Anti clockwise
  • B. Clock wise
  • C. At equilibrium
  • D. None of above

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  • Hasnain Shah

    28 Nov 2022

    g

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    Sania Saeed

    16 Nov 2017

    ye log poore number nai dete jan bhooj kar

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    Ayesha

    11 May 2017

    2 mcqs k ans ghalat hain irrespective k wo book ki statements hain

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