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

For step down transformer

Question # 2

A.C is converted into D.C by

Question # 3

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

Question # 4

SI unit of hennery which is.

Question # 5

One henry is equal to

Question # 6

A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.

Question # 7

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

Question # 8

The mutual inductance between two coils depends upon their

Question # 9

Energy stored in inductor is.

Question # 10

Electric current produces magnetic field, was suggested by.

Question # 11

Lenz's law was given by Heinrich lenz in:

Question # 12

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

Question # 13

A current generator device converts:

Question # 14

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

Question # 15

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

Question # 16

The device in which induced emf is statically induced emf 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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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 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
2 When back emf in motor is zero, it draws.
A. Zero current
B. Minimum current
C. Maximum current
D. Steady current
3 The emf induced by the motion of a conductor across a magnetic field is called:
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
4 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
5 A real transformer does not change.
A. Voltage level
B. Current level
C. Power level
D. Frequency
6 Commutator was invented in
A. 1834
B. 1820
C. 1840
D. 1835
7 A.C. Generator based upon the
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
8 The  Lenz's law is also statement of:
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
9 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
10 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

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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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