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

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

Question # 2

The self induction emf is some times called.

Question # 3

A.C is converted into D.C by

Question # 4

Commentator was invented by

Question # 5

With the speed of motor, magnitude of back emf

Question # 6

Energy density in an inductor is.

Question # 7

Self induction does not depend on

Question # 8

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Question # 9

In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.

Question # 10

The working principle of transformer is.

Question # 11

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

Question # 12

Step up transformer is used.

Question # 13

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

Question # 14

Electromagnetic induction is exactly according to law of:

Question # 15

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

Question # 16

The negative sign with induced emf in Faraday's law is in accordance with

Question # 17

If we make magnetic field stronger the value of induced current 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 In self induction A coil is connected in__________ with battery and a rheostat.
A. Parallel
B. Series
C. Both A and B
D. None of above
2 Commutator was invented by:
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
3 Energy density in an inductor is.
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
4 The motional emf depends upon the
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
5 The motional emf developed in a conduction depends upon.
A. Length
B. Orientation
C. Magnetic field
D. All of the above
6 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
7 One henry is equal to
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
8 The unit of induced emf is
A. Ampere
B. Volt
C. Joule/coulomb
D. Both (b) and (c)
9 SI unit of hennery which is.
A. VSA-1
B. VS-1 A
C. VS-1A-1
D. VSA
10 The Lenz's law fulfils.
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law

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