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

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Question # 1

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

Question # 2

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

Question # 3

The mutual inductance of the coils depends upon.

Question # 4

Energy density in an inductor is.

Question # 5

Mutual induction has a practical role in the performance of the.

Question # 6

In case of inductor , energy is stored in the

Question # 7

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

Question # 8

Which of the following quantities remain constant in step up transformer?

Question # 9

EMF is induced due to change in

Question # 10

Electric current produces magnetic field, was suggested by.

Question # 11

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

Question # 12

Self inductance of a long solenoid is given by

Question # 13

A current generator device converts:

Question # 14

The movement of conductor in magnetic field produces electrical current was discovered in:

Question # 15

Efficiency of transformer does not affected by

Question # 16

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

Question # 17

Electromagnetic induction obeys law of conservation

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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 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
2 the core of transformer is laminated so reduce.
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
3 Energy stored in inductor is.
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
4 The jerks in D.C. motor are created by the use of.
A. Armature
B. Commutators
C. Split rings
D. Source of emf
5 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
6 A real transformer does not change.
A. Voltage level
B. Current level
C. Power level
D. Frequency
7 If speed of rotation of a generator is doubled the output voltage will be.
A. Remain same
B. Double
C. Four time
D. One half
8 Lenz's law was given by Heinrich lenz in:
A. 1894
B. 1904
C. 1854
D. 1834
9 The winding of the electromagnet in motor are usually called.
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
10 Lenz's law presented in
A. 1834
B. 1934
C. 1826
D. 1836

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