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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
split rings are used in
Question # 2
The motional emf is give by
Question # 3
SI unit of hennery which is.
Question # 4
Electromagnetic induction is exactly according to law of:
Question # 5
Electric current produces magnetic field, was suggested by.
Question # 6
If magnetic field is doubled then magnetic energy density becomes.
Question # 7
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 8
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 9
A.C is converted into D.C by
Question # 10
The device in which induced emf is statically induced emf is:
Question # 11
When the back emf in a current is zero, it draws
Question # 12
B2/2p is the expression of.
Question # 13
Lenz's law deals with
Question # 14
The induction can be increased by winding the wire around a core made of.
Question # 15
The current induced can be increased by:
Question # 16
A current generator device converts:
Question # 17
The rod of unit length is moving at 30 o through a magnetic field of 1 T. If the velocity of rod is 1 m/s, then induced emf in the rod will be given by
FSC Part 2 Physics Chapter 15 Online Test MCQ's
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H Humairatariq Humairatariq 20 - Jan - 2025 01 Min 13 Sec 16/17 -
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 3 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 4 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 5 | 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
|
| 6 | split rings are used in |
A. A.C. generator
B. A.C. motor
C. Transformer
D. D.C. motor
|
| 7 | Commutator was invented in |
A. 1834
B. 1820
C. 1840
D. 1835
|
| 8 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 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 | The induced emf in a coil is proportional to: |
A. Magnetic flux through the coil
B. Rate of change of Magnetic flux through the coil
C. Area of the coil
D. Product of magnetic flux flux and area of the coil
|
Test Questions