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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
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
Question # 2
Lenz's law was given by Heinrich lenz in:
Question # 3
The illustration of the phenomenon of mutual induction is in the device of
Question # 4
The Lenz's law fulfils.
Question # 5
The Lenz's law is also statement of:
Question # 6
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 7
split rings are used in
Question # 8
For inducing emf in a coil the basic requirement is that:
Question # 9
Mutual induction play role in.
Question # 10
If force in the direction of velocity of conductor, then induced current is directed,
Question # 11
Output of D.C. motor is
Question # 12
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 13
When back emf in motor is zero, it draws.
Question # 14
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 15
If magnetic field is doubled then magnetic energy density becomes.
Question # 16
In case of inductor , energy is stored in the
Question # 17
A metal rod of 1 m is moving at a speed of 1 ms-1 in a direction making an angle 30 o with 0.5 T magnetic field . The emf produced is.
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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T Talha Butt 16 - Dec - 2024 02 Min 16 Sec 15/17 -
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If the coil is wound on iron core, the flux through it. |
A. Decreases
B. Becomes zero
C. Increases
D. Remains constant
|
| 2 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 3 | The induction can be increased by winding the wire around a core made of. |
A. Copper
B. Silicon
C. Iron
D. Aluminum
|
| 4 | Which one is not present in A.C. generator. |
A. Armature
B. Magnet
C. Slip rings
D. Commutator
|
| 5 | A.C is converted into D.C by |
A. Dynamo
B. Rectifier
C. Motor
D. Transformer
|
| 6 | Electromagnetic induction is exactly according to law of: |
A. Momentum
B. Charge
C. Energy
D. Mass
|
| 7 | Mutual induction play role in. |
A. Generator
B. D.C. motor
C. Galvanometer
D. Transformer
|
| 8 | 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
|
| 9 | 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
|
| 10 | A simple device that prevents the direction of current from changing is called. |
A. Commutator
B. Rotor
C. Armature
D. Detector
|
Test Questions