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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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

The direction of induced current is always so as to oppose the change which causes the current, this is the statement of

Question # 2

The direction of induced current is always so as to oppose the change which causes the current is:

Question # 3

split rings are used in

Question # 4

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

Question # 5

The device in which induced emf is statically induced emf is:

Question # 6

EMF is induced due to change in

Question # 7

The self induction emf is some times called.

Question # 8

In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:

Question # 9

In case of inductor , energy is stored in the

Question # 10

Energy density in an inductor is.

Question # 11

In A.C. inductor behaves as

Question # 12

Energy stored in inductor is.

Question # 13

Eddy current is produced when:

Question # 14

Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?

Question # 15

When a motor is over loaded then the magnitude of back emf.

Question # 16

The emf induced by the motion of a conductor across a magnetic field is called:

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
Question Image
2 split rings are used in
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
3 The mutual inductance between two coils depends upon their
A. Size
B. Core material
C. Size, core material and separation
D. Separation
4 When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
5 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times
6 A.C is converted into D.C by
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
7 Electric current produces magnetic field, was suggested by.
A. Faraday
B. Oersted
C. Henry
D. Lenz
8 If 10 A current passes through 100 mH inductor, then energy stored is.
A. 100 J
B. 5 J
C. 20 J
D. Zero
9 The illustration of the phenomenon of mutual induction is in the device of
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
10 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field

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