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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Physics ICS Part 2 Chapter 15 Online MCQ's Test

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Question # 1

The direction of induced current is always so as to oppose the change which causes the current, this is the statement of

Question # 2

Eddy current is produced when:

Question # 3

SI unit of hennery which is.

Question # 4

A simple device that prevents the direction of current from changing is called.

Question # 5

The Lenz's law fulfils.

Question # 6

Commutator was invented in

Question # 7

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

Question # 8

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

Question # 9

Michael Faraday and Joseph Henry belongs to

Question # 10

Electromagnetic induction obeys law of conservation

Question # 11

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

Question # 12

For inducing emf in a coil the basic requirement is that:

Question # 13

The magnitude of motional emf is given by

Question # 14

The induction can be increased by winding the wire around a core made of.

Question # 15

In D.C. generator, split rings act as.

Question # 16

The working principle of transformer is.

Question # 17

A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.

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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
Question Image
2
Question Image
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
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 The negative sign with induced emf in Faraday's law is in accordance with
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
5 When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
A. Flux density
B. Electric flux
C. Magnetic flux
D. Magnetic field strength
6 A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
7 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
8 If we make magnetic field stronger the value of induced current is.
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
9 B2/2p is the expression of.
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
10 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA

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