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

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

Question # 2

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

Question # 3

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

Question # 4

Self inductance of a long solenoid is given by

Question # 5

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

Question # 6

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 7

The  Lenz's law is also statement of:

Question # 8

Michael Faraday and Joseph Henry belongs to

Question # 9

The only difference between the construction of D.C and A.C is.

Question # 10

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

Question # 11

The motional emf developed in a conduction depends upon.

Question # 12

Commutator was invented by:

Question # 13

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

Question # 14

A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.

Question # 15

Efficiency of transformer does not affected by

Question # 16

For step down transformer

Question # 17

If magnetic field is doubled then magnetic energy density becomes.

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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 The direction of induced current is always so as to oppose the change which causes the current is:
A. Faraday's law
B. Lenz's  law
C. Ohm's law
D. Kirchhoff's 1st rule
2 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
3 If the north pole of a magnet moves away from a metallic ring
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
4 Commentator was invented by
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
5 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
6 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
7 The only difference between the construction of D.C and A.C is.
A. Carbon burshes
B. Coil
C. Commutator
D. Magnetic field
8 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
9 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
10
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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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