12th class Physics chapter 15 online mcq test with answers for ICS part 2 Physics Chapter 15 (Electromagnetic Induction)

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

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Ics Part 2 Physics Chapter 15 Test

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ICS Part 1 English Medium Subjects

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

Sr. #	Questions	Answers Choice
1	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
2	SI unit of hennery which is.	A. VSA-1 B. VS-1 A C. VS-1A-1 D. VSA
3	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
4	When a motor is over loaded then the magnitude of back emf.	A. Increases B. Decreases C. Remain constant D. Zero
5	By winding the coil around a less magnetic core, self induction.	A. Will increase B. Will decrease C. Remain same D. First increase then decrease
6	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
7	A current generator device converts:	A. Mechanical energy into chemical energy B. Chemical energy into electrical energy C. Mechanical energy into electrical energy D. Both b and c
8	Lenz's law deals with	A. Magnitude of emf B. Direction emf C. Direction of induced current D. Resistance
9	The device in which induced emf is statically induced emf is:	A. Transforms B. AC generator C. Alevator D. Dynamo
10	The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by	A. I V B. 0.25 V C. 0.5 V D. 0.6 V

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