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

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Physics FSC Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

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

Question # 2

The motional emf depends upon the

Question # 3

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

Question # 4

The Lenz's law fulfils.

Question # 5

When back emf in motor is zero, it draws.

Question # 6

In A.C. inductor behaves as

Question # 7

Transformer is used to change

Question # 8

The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by

Question # 9

Lenz's law was given by Heinrich lenz in:

Question # 10

Mutual induction play role in.

Question # 11

split rings are used in

Question # 12

The working principle of transformer is.

Question # 13

The winding of the electromagnet in motor are usually called.

Question # 14

Self inductance of a long solenoid is given by

Question # 15

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

Question # 16

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

Question # 17

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

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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 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
2 If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
A. Current
B. Power
C. Voltage
D. Direction of winding
3 Which of the following quantities remain constant in step up transformer?
A. Current
B. Voltage
C. Power
D. Heat
4 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
5 Induced emf in A.C. generator can be increased by
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
6 The device in the circuit that consume electrical energy are known as.
A. Dissipaters
B. Generator
C. Load
D. Motors
7 If force in the direction of velocity of conductor,  then induced current is directed,
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
8 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times
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 The motional emf is give by
A. qvB
B. IBL
C. eBL
D. vBL

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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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