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

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Question # 1

Eddy current is one cause energy loss in

Question # 2

The illustration of the phenomenon of mutual induction is in the device of

Question # 3

The magnitude of motional emf is given by

Question # 4

Mutual induction play role in.

Question # 5

The induced emf in a coil is proportional to:

Question # 6

Efficiency of transformer does not affected by

Question # 7

In A.C. inductor behaves as

Question # 8

What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A?

Question # 9

Which of the following quantities remain constant in step up transformer?

Question # 10

The motional emf is give by

Question # 11

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

Question # 12

split rings are used in

Question # 13

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Question # 14

In case of inductor , energy is stored in the

Question # 15

SI unit of hennery which is.

Question # 16

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

Question # 17

Step up transformer is used.

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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 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
2 Lenz's law is a consequence of the law of conservation of
A. Charge
B. Momentum
C. Energy
D. Angular momentum
3 In case of inductor , energy is stored in the
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
4 In D.C. generator, split rings act as.
A. Capacitor
B. Commutator
C. Resistor
D. Inductor
5 Transformer is used to change
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
6 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
7 The illustration of the phenomenon of mutual induction is in the device of
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
8 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
9 When the back emf is zero, its draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
10 The emf induced by the motion of a conductor across a magnetic field is called:
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above

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