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

00:00
Question # 1

Transformer is used to change

Question # 2

The motional emf developed in a conduction depends upon.

Question # 3

The magnitude of back emf:

Question # 4

The Si unit of Mutual inductance is:

Question # 5

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

Question # 6

When a conductor moves across a magnetic field an emf is set up this emf is called.

Question # 7

Self inductance of a long solenoid is given by

Question # 8

If force in the direction of velocity of conductor,  then induced current is directed,

Question # 9

If the north pole of a magnet moves away from a metallic ring

Question # 10

If the coil is wound on iron core, the flux through it.

Question # 11

Mutual induction play role in.

Question # 12

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

Question # 13

The emf induced by the motion of a conductor across a magnetic field is called:

Question # 14

SI unit of hennery which is.

Question # 15

When the back emf is zero, its draws.

Question # 16

The  Lenz's law is also statement of:

Question # 17

The motional emf is give by

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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 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
2 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
3 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
4
Question Image
5 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
6 If magnetic field is doubled then magnetic energy density becomes.
A. Four times
B. Two times
C. Three times
D. Six times
7 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
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?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
9 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
10 If the coil is wound on iron core, the flux through it.
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant

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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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