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

ICS Part 2 Physics
Chapter 15 Test

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  • Total Questions17

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

Efficiency of transformer does not affected by

Question # 2

The motional emf depends upon the

Question # 3

If 10 A current passes through 100 mH inductor, then energy stored is.

Question # 4

In A.C. inductor behaves as

Question # 5

Induced emf in A.C. generator can be increased by

Question # 6

DC generator by william Sturgeon in:

Question # 7

Step up transformer is used.

Question # 8

If a step up transformer were 100% efficient the primary and secondary winging's would have the same.

Question # 9

Electromagnetic induction is exactly according to law of:

Question # 10

The unit of induced emf is

Question # 11

If the coil is wound on iron core, the flux through it.

Question # 12

For step down transformer

Question # 13

Mutual induction play role in.

Question # 14

If D.C. input for step up transformer, the output is

Question # 15

Energy density of an inductor is:

Question # 16

Lenz's law is a consequence of the law of conservation of

Question # 17

Which one is not present in A.C. generator.

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ICS Part 2 Physics Chapter 15 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
2 The only difference between the construction of D.C and A.C is.
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
3 The mutual inductance of the coils depends upon.
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
4 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
5 The movement of conductor in magnetic field produces electrical current was discovered in:
A. 1931
B. 1731
C. 1842
D. 1831
6 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
7 Mutual induction has a practical role in the performance of the.
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
8 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
9 The current induced can be increased by:
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop bay coi of many turns
D. All of above
10 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961

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