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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.

2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

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

Ics Part 2 Physics Chapter 15 Test
ic

2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

Sr. # Questions Answers Choice
1 Which of the following converts electrical energy into mechanical energy.
  • A. Transformer
  • B. A.C. generator
  • C. D.C. generator
  • D. D.C. motor
2 In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
  • A. NwAB
  • B. 2pi f
  • C. Maximum
  • D. Zero
3 Step up transformer is used.
  • A. Step up D.C. voltage
  • B. Step up A.C. voltage
  • C. Step up both A.C and D.C.
  • D. Step up A.C. current
4 The self induction emf is some times called.
  • A. Motional emf
  • B. Constant emf
  • C. Back emf
  • D. Variable emf
5 The jerks in D.C. motor are created by the use of.
  • A. Armature
  • B. Commutators
  • C. Split rings
  • D. Source of emf
6 Mutual induction has a practical role in the performance of the.
  • A. Radio choke
  • B. Transformers
  • C. A.C. Generator
  • D. D.C. Generator
7 Lenz's law was given by Heinrich lenz in:
  • A. 1894
  • B. 1904
  • C. 1854
  • D. 1834
8 DC generator by william Sturgeon in:
  • A. 1894
  • B. 1961
  • C. 1834
  • D. 1961
9 The winding of the electromagnet in motor are usually called.
  • A. Magnetic coils
  • B. Field coils
  • C. Electric coils
  • D. electric o electric coils
10 In self induction A coil is connected in__________ with battery and a rheostat.
  • A. Parallel
  • B. Series
  • C. Both A and B
  • D. None of above

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