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	In case of inductor , energy is stored in the	A. Electric field B. Magnetic field C. Potential field D. Gravitational field
2	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
3	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
4	When back emf in motor is zero, it draws.	A. Zero current B. Minimum current C. Maximum current D. Steady current
5	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
6	Energy density of an inductor is:	A. UM=1/2μ<sub>∘</sub>/B<sup>2</sup> B. Um = 2μ<sub>∘</sub>/B C. UM = 1/2B<sup>2</sup>/μ<sub>∘</sub> D. Um = 2B<sup>2</sup>/μ<sub>∘</sub>
7	Energy stored in an inductor is:	A. 1/2L<sup>2</sup>I B. 1/2L<sup>2</sup>/I C. <sub>1/2LI</sub><sup>2</sup> D. 1/2LI
8	The winding of the electromagnet in motor are usually called.	A. Magnetic coils B. Field coils C. Electric coils D. electric o electric coils
9	The device in which induced emf is statically induced emf is:	A. Transforms B. AC generator C. Alevator D. Dynamo
10	Transformer is used to change	A. Electric power B. Magnetic field C. Alternating voltage D. Phase of A.C.

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