Second Year Physics Chapter 15 Online MCQ Test for 2nd Year Physics Chapter 15 Electromagnetic Induction Preparation

FSC Part 2 Physics
Chapter 15 Test

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

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Question # 1

In D.C. generator, split rings act as.

Question # 2

The negative sign with induced emf in Faraday's law is in accordance with

Question # 3

A current generator device converts:

Question # 4

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

Question # 5

Energy stored in inductor is.

Question # 6

The unit of induced emf is

Question # 7

A real transformer does not change.

Question # 8

The motional emf developed in a conduction depends upon.

Question # 9

The induction can be increased by winding the wire around a core made of.

Question # 10

By winding the coil around a less magnetic core, self induction.

Question # 11

In self induction A coil is connected in__________ with battery and a rheostat.

Question # 12

Self inductance of a long solenoid is given by

Question # 13

The motional emf depends upon the

Question # 14

Electric current produces magnetic field, was suggested by.

Question # 15

Mutual induction play role in.

Question # 16

The application of mutual induction is a.

Question # 17

1 Henry =

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FSC 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 Step up transfer has a transformation ratio of 3:2. What is the voltage in secondary , If voltage in primary is 30 V?
A. 45 V
B. 15 V
C. 90 V
D. 300 V
2 Energy density of an inductor is:
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
3 When the back emf is zero, its draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
4 The induction can be increased by winding the wire around a core made of.
A. Copper
B. Silicon
C. Iron
D. Aluminum
5 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
6 The self induction emf is some times called.
A. Motional emf
B. Constant emf
C. Back emf
D. Variable emf
7 In A.C. inductor behaves as
A. Capacitor
B. Resistor
C. Commutator
D. Transistor
8 Mutual induction play role in.
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
9 When a conductor moves across a magnetic field an emf is set up this emf is called.
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
10 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer

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