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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
The winding of the electromagnet in motor are usually called.
Question # 2
A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is.
Question # 3
split rings are used in
Question # 4
A simple device that prevents the direction of current from changing is called.
Question # 5
When motor is just started, back emf is almost.
Question # 6
Step up transformer is used.
Question # 7
Lenz's law is a consequence of the law of conservation of
Question # 8
The induction can be increased by winding the wire around a core made of.
Question # 9
Self inductance of a long solenoid is given by
Question # 10
Energy stored in an inductor is:
Question # 11
Commutator was invented by:
Question # 12
Eddy current is produced when:
Question # 13
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 14
EMF is induced due to change in
Question # 15
Energy stored in inductor is.
Question # 16
Electric current produces magnetic field, was suggested by.
Question # 17
For inducing emf in a coil the basic requirement is that:
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 | When motor is just started, back emf is almost. |
A. Maximum
B. Zero
C. Minimum
D. Infinite
|
| 2 | A step up transformer is used 120 V line to provide 240 V. If primary coil has 100 turns the number of turns is secondary is. |
A. 50
B. 100
C. 150
D. 200
|
| 3 | The mutual inductance of the coils depends upon. |
A. Stiffness of the coils
B. Density of coils
C. Material of coils
D. Geometry of the coils
|
| 4 | The device in the circuit that consume electrical energy are known as. |
A. Dissipaters
B. Generator
C. Load
D. Motors
|
| 5 | Induced emf in A.C. generator can be increased by |
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
|
| 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 | 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
|
| 8 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
| 9 | the core of transformer is laminated so reduce. |
A. Magnetic loss
B. Hysteresis loss
C. Eddy current loss
D. Electric loss
|
| 10 | The application of mutual induction is a. |
A. D.C. motor
B. Radio
C. Television
D. Transformer
|
Test Questions