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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
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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 Eddy current is one cause energy loss in
  • A. A.C. generator
  • B. Transformer
  • C. D.C. motor
  • D. D.C. generator
2 Efficiency of transformer does not affected by
  • A. Input voltage
  • B. Core of transformer
  • C. Insulation between sheet
  • D. Resistance of coils
3 Electric current produces magnetic field, was suggested by.
  • A. Faraday
  • B. Oersted
  • C. Henry
  • D. Lenz
4 The induction can be increased by winding the wire around a core made of.
  • A. Copper
  • B. Silicon
  • C. Iron
  • D. Aluminum
5 The working principle of transformer is.
  • A. Self induction
  • B. Faraday's law
  • C. Mutual induction
  • D. Electromagnetic induction
6 If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
  • A. Current
  • B. Power
  • C. Voltage
  • D. Direction of winding
7 Lenz's law is a consequence of the law of conservation of
  • A. Charge
  • B. Momentum
  • C. Energy
  • D. Angular momentum
8 If magnetic field is doubled then magnetic energy density becomes.
  • A. Four times
  • B. Two times
  • C. Three times
  • D. Six times
9 If D.C. input for step up transformer, the output is
  • A. Zero
  • B. High
  • C. Low
  • D. May be high or low
10 The Lenz's law fulfils.
  • A. Law of conservation of energy
  • B. Law of conservation of charge
  • C. Law of conservation of momentum
  • D. Kirchhoff'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

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