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

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

Question # 2

The Lenz's law fulfils.

Question # 3

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

Question # 4

Michael Faraday and Joseph Henry belongs to

Question # 5

Electromagnetic induction obeys law of conservation

Question # 6

The Si unit of Mutual inductance is:

Question # 7

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

Question # 8

When a conductor moves across a magnetic field an emf is set up this emf is called.

Question # 9

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

Question # 10

Self inductance of a long solenoid is given by

Question # 11

The motional emf depends upon the

Question # 12

The mutual inductance of the coils depends upon.

Question # 13

DC generator by william Sturgeon in:

Question # 14

The unit of induced emf is

Question # 15

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

Question # 16

The winding of the electromagnet in motor are usually called.

Question # 17

Energy density of an inductor 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 In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
A. NwAB
B. 2pi f
C. Maximum
D. Zero
2 DC generator by william Sturgeon in:
A. 1894
B. 1961
C. 1834
D. 1961
3 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
4 When the back emf in a current is zero, it draws
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
5 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
6 The Si unit of Mutual inductance is:
A. VA-1S-1
B. VAS-1
C. VSA-1
D. ASV-1
7 Energy stored in an inductor is:
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
8 The working principle of transformer is.
A. Self induction
B. Faraday's law
C. Mutual induction
D. Electromagnetic induction
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 Output of D.C. motor is
A. A.C. energy
B. Mechanical energy
C. Chemical energy
D. D.C. energy

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