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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  • Total Questions17

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

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Question # 1

The motional emf developed in a conduction depends upon.

Question # 2

Self inductance of a long solenoid is given by

Question # 3

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

Question # 4

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

Question # 5

Energy stored in an inductor is:

Question # 6

Electromagnetic induction is exactly according to law of:

Question # 7

The jerks in D.C. motor are created by the use of.

Question # 8

The magnitude of motional emf is given by

Question # 9

The working principle of transformer is.

Question # 10

The application of mutual induction is a.

Question # 11

A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.

Question # 12

split rings are used in

Question # 13

Which of the following converts electrical energy into mechanical energy.

Question # 14

Step up transformer is used.

Question # 15

When the back emf in a current is zero, it draws

Question # 16

For step down transformer

Question # 17

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

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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 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
3 The illustration of the phenomenon of mutual induction is in the device of
A. Transformer
B. Inductor
C. A.C. Generator
D. Ammeter
4 Eddy current is produced when:
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
5 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
6 Energy stored in an inductor is:
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
7 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
8 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
9 When a motor is over loaded then the magnitude of back emf.
A. Increases
B. Decreases
C. Remain constant
D. Zero
10 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these

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  • sania  saeed

    sania saeed

    16 Nov 2017

    ye log poore number nai dete jan bhooj kar

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  • ayesha

    ayesha

    11 May 2017

    2 mcqs k ans ghalat hain irrespective k wo book ki statements hain

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