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

A.C is converted into D.C by

Question # 2

For step down transformer

Question # 3

Commentator was invented by

Question # 4

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

Question # 5

When motor is just started, back emf is almost.

Question # 6

The winding of the electromagnet in motor are usually called.

Question # 7

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

Question # 8

When the back emf is zero, its draws.

Question # 9

In case of inductor , energy is stored in the

Question # 10

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

Question # 11

1 Henry =

Question # 12

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

Question # 13

A.C. Generator based upon the

Question # 14

The jerks in D.C. motor are created by the use of.

Question # 15

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

Question # 16

Commutator was invented by:

Question # 17

A current generator device converts:

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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 The direction of induced current is always so as to oppose the change which causes the current is:
A. Faraday's law
B. Lenz's  law
C. Ohm's law
D. Kirchhoff's 1st rule
2
Question Image
3 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
4 In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
5 Lenz's law deals with
A. Magnitude of emf
B. Direction emf
C. Direction of induced current
D. Resistance
6 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
7 The device in which induced emf is statically induced emf is:
A. Transforms
B. AC generator
C. Alevator
D. Dynamo
8 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
9 A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
A. 0.1 J
B. 10 J
C. 100 J
D. 1000 J
10 The movement of conductor in magnetic field produces electrical current was discovered in:
A. 1931
B. 1731
C. 1842
D. 1831

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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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