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ICS Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
For inducing emf in a coil the basic requirement is that:
Question # 2
Efficiency of transformer does not affected by
Question # 3
The jerks in D.C. motor are created by the use of.
Question # 4
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 5
The device in which induced emf is statically induced emf is:
Question # 6
Unit of self inductance is
Question # 7
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 8
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:
Question # 9
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 10
Energy density of an inductor is:
Question # 11
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 12
The magnitude of motional emf is given by
Question # 13
In A.C. inductor behaves as
Question # 14
The motional emf developed in a conduction depends upon.
Question # 15
With the speed of motor, magnitude of back emf
Question # 16
Electric current produces magnetic field, was suggested by.
Question # 17
If 10 A current passes through 100 mH inductor, then energy stored is.
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 | The emf induced by the motion of a conductor across a magnetic field is called: |
A. Motional emf
B. Rotational emf
C. Induced emf
D. All of above
|
| 2 | Self induction does not depend on |
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
|
| 3 | If magnetic field is doubled then magnetic energy density becomes. |
A. Four times
B. Two times
C. Three times
D. Six times
|
| 4 | DC generator by william Sturgeon in: |
A. 1894
B. 1961
C. 1834
D. 1961
|
| 5 | Lenz's law was given by Heinrich lenz in: |
A. 1894
B. 1904
C. 1854
D. 1834
|
| 6 | For inducing emf in a coil the basic requirement is that: |
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both (b) and (c) are true
|
| 7 | Energy stored in inductor is. |
A. 1/2 L I2
B. 1/2 LI
C. 1/2 L2I
D. 1/2 L2I2
|
| 8 | If the north pole of a magnet moves away from a metallic ring |
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
|
| 9 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 10 | Michael Faraday and Joseph Henry belongs to |
A. England and USA
B. France and USA
C. China and USA
D. None of these
|
Test Questions