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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
Commentator was invented by
Question # 2
Self inductance of a long solenoid is given by
Question # 3
If the coil is wound on iron core, the flux through it.
Question # 4
The current induced can be increased by:
Question # 5
The unit of induced emf is
Question # 6
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 7
When motor is just started, back emf is almost.
Question # 8
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 9
Step up transformer is used.
Question # 10
For inducing emf in a coil the basic requirement is that:
Question # 11
Electromagnetic induction obeys law of conservation
Question # 12
Lenz's law was given by Heinrich lenz in:
Question # 13
The induced emf in a coil is proportional to:
Question # 14
Unit of self inductance is
Question # 15
The illustration of the phenomenon of mutual induction is in the device of
Question # 16
Energy density in an inductor is.
Question # 17
the core of transformer is laminated so reduce.
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 Lenz's law is also statement of: |
A. Law of conservation of mass
B. Law of conservation of charge
C. Law of conservation of energy
D. Law of conservation of momentum
|
| 3 | If magnetic field is doubled then magnetic energy density becomes. |
A. Four times
B. Two times
C. Three times
D. Six times
|
| 4 | Eddy current is produced when: |
A. A metal is light in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circualr coil
|
| 5 | Mutual induction has a practical role in the performance of the. |
A. Radio choke
B. Transformers
C. A.C. Generator
D. D.C. Generator
|
| 6 | 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
|
| 7 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 8 | When a conductor moves across a magnetic field an emf is set up this emf is called. |
A. Variable emf
B. Constant emf
C. Back emf
D. Induced emf
|
| 9 | Energy stored in an inductor is: |
A. 1/2L2I
B. 1/2L2/I
C. 1/2LI2
D. 1/2LI
|
| 10 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
Test Questions