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FSC Part 2 Physics
Chapter 15 Test
Start Chapter 15 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 15 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 15 Online MCQ's Test
00:00
Question # 1
A simple device that prevents the direction of current from changing is called.
Question # 2
Michael Faraday and Joseph Henry belongs to
Question # 3
Unit of self inductance is
Question # 4
Commutator was invented in
Question # 5
Energy stored in inductor is.
Question # 6
split rings are used in
Question # 7
The induction can be increased by winding the wire around a core made of.
Question # 8
The magnitude of motional emf is given by
Question # 9
Lenz's law is a consequence of the law of conservation of
Question # 10
The direction of induced current is always so as to oppose the change which causes the current, this is the statement of
Question # 11
When the back emf is zero, its draws.
Question # 12
When motor is just started, back emf is almost.
Question # 13
The jerks in D.C. motor are created by the use of.
Question # 14
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 15
A.C is converted into D.C by
Question # 16
The Si unit of Mutual inductance is:
Question # 17
A real transformer does not change.
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 | The motional emf developed in a conduction depends upon. |
A. Length
B. Orientation
C. Magnetic field
D. All of the above
|
| 2 | A.C. Generator based upon the |
A. Lenz's law
B. Maxwell's relation
C. Faradays law of electromagnet induction
D. Mutual induction
|
| 3 | 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
|
| 4 | The application of mutual induction is a. |
A. D.C. motor
B. Radio
C. Television
D. Transformer
|
| 5 | When the back emf in a current is zero, it draws |
A. Zero current
B. Maximum current
C. Minimum current
D. Steady average current
|
| 6 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 7 | Which one is not present in A.C. generator. |
A. Armature
B. Magnet
C. Slip rings
D. Commutator
|
| 8 | The jerks in D.C. motor are created by the use of. |
A. Armature
B. Commutators
C. Split rings
D. Source of emf
|
| 9 | Energy density in an inductor is. |
A. Directly proportional to magnetic field
B. Directly proportional to square of magnetic field
C. Inversely proportional to magnetic field
D. Inversely proportional to square of magnetic field
|
| 10 |
|
A. Lenz's law
B. Faraday's law
C. Ampere's law
D. None of these
|
Test Questions