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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
ic

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

Sr. # Questions Answers Choice
1 The device in which induced emf is statically induced emf is:
  • A. Transforms
  • B. AC generator
  • C. Alevator
  • D. Dynamo
2 split rings are used in
  • A. A.C. generator
  • B. A.C. motor
  • C. Transformer
  • D. D.C. motor
3 Output of D.C. motor is
  • A. A.C. energy
  • B. Mechanical energy
  • C. Chemical energy
  • D. D.C. energy
4 The working principle of transformer is.
  • A. Self induction
  • B. Faraday's law
  • C. Mutual induction
  • D. Electromagnetic induction
5 When a motor is over loaded then the magnitude of back emf.
  • A. Increases
  • B. Decreases
  • C. Remain constant
  • D. Zero
6 Energy stored in inductor is.
  • A. 1/2 L I<sup>2</sup>
  • B. 1/2 LI
  • C. 1/2 L2I
  • D. 1/2 L2I2
7 The application of mutual induction is a.
  • A. D.C. motor
  • B. Radio
  • C. Television
  • D. Transformer
8 A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
  • A. 0.1 J
  • B. 10 J
  • C. 100 J
  • D. 1000 J
9 1 Henry =
  • A. VSA<sup>-1</sup>
  • B. VS<sup>-1</sup>A<sup>-1</sup>
  • C. V<sup>-1</sup>SA
  • D. VSA<sup>-2</sup>
10 The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
  • A. Lenz's law
  • B. Faraday's law
  • C. Ampere's law
  • D. Coulomb's law

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  • Sania Saeed

    16 Nov 2017

    ye log poore number nai dete jan bhooj kar

    Like (1)
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  • A

    Ayesha

    11 May 2017

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

    Like (2)
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