2nd Year Physics Chapter 15 Online MCQ Test for 12th Class Physics Chapter 15 (Electromagnetic Induction)

ICS Part 2 Physics
Chapter 15 Test

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

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  • Total Questions17

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Physics ICS Part 2 Chapter 15 Online MCQ's Test

00:00
Question # 1

SI unit of hennery which is.

Question # 2

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 # 3

The self induction emf is some times called.

Question # 4

Commentator was invented by

Question # 5

Which of the following quantities remain constant in step up transformer?

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The motional emf is give by

Question # 10

When back emf in motor is zero, it draws.

Question # 11

Self induction does not depend on

Question # 12

The motional emf developed in a conduction depends upon.

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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?

Question # 17

The induced emf in a coil is proportional to:

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ICS 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 Which one is not present in A.C. generator.
A. Armature
B. Magnet
C. Slip rings
D. Commutator
2 For inducing emf in a coil the basic requirement is that:
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
3 The application of mutual induction is a.
A. D.C. motor
B. Radio
C. Television
D. Transformer
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 1 Henry =
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
6 The unit of induced emf is
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
7 Energy stored in an inductor is:
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
8 By winding the coil around a less magnetic core, self induction.
A. Will increase
B. Will decrease
C. Remain same
D. First increase then decrease
9 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
10 Commutator was invented by:
A. William bills
B. William Gates
C. William tells
D. William Sturgeon

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