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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Physics ICS Part 2 Chapter 15 Online MCQ's Test

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Question # 1

Efficiency of transformer does not affected by

Question # 2

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

Question # 3

Eddy current is one cause energy loss in

Question # 4

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

Question # 5

EMF is induced due to change in

Question # 6

Step up transformer is used.

Question # 7

Transformer is used to change

Question # 8

The Lenz's law fulfils.

Question # 9

In self induction A coil is connected in__________ with battery and a rheostat.

Question # 10

If speed of rotation of a generator is doubled the output voltage will be.

Question # 11

When the back emf in a current is zero, it draws

Question # 12

The motional emf developed in a conduction depends upon.

Question # 13

Self inductance of a long solenoid is given by

Question # 14

One henry is equal to

Question # 15

Commentator was invented by

Question # 16

The device in which induced emf is statically induced emf is:

Question # 17

A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field 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 EMF is induced due to change in
A. Charge
B. Current
C. Magnetic flux
D. Electric field
2 The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
3 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
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 A real transformer does not change.
A. Voltage level
B. Current level
C. Power level
D. Frequency
6 Efficiency of transformer does not affected by
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
7 If force in the direction of velocity of conductor,  then induced current is directed,
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
8 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy
9 Lenz's law presented in
A. 1834
B. 1934
C. 1826
D. 1836
10 The winding of the electromagnet in motor are usually called.
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils

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