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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 direction of induced current is always so as to oppose the change which causes the current is:
Question # 2
The unit of induced emf is
Question # 3
In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:
Question # 4
If we make magnetic field stronger the value of induced current is.
Question # 5
Energy stored in an inductor is:
Question # 6
The Direction of induced current is always so as to oppose the change which causes the current, is:
Question # 7
DC generator by william Sturgeon in:
Question # 8
If a step up transformer were 100% efficient the primary and secondary winging's would have the same.
Question # 9
Which one is not present in A.C. generator.
Question # 10
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 # 11
Lenz's law presented in
Question # 12
If the coil is wound on iron core, the flux through it.
Question # 13
If the north pole of a magnet moves away from a metallic ring
Question # 14
If speed of rotation of a generator is doubled the output voltage will be.
Question # 15
Unit of self inductance is
Question # 16
Which of the following quantities remain constant in step up transformer?
Question # 17
The mutual inductance of the coils depends upon.
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 | 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
|
| 2 | 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
|
| 3 | The Lenz's law fulfils. |
A. Law of conservation of energy
B. Law of conservation of charge
C. Law of conservation of momentum
D. Kirchhoff's law
|
| 4 | What is the co-efficient of mutual inductance, when the magnetic flux changes by 2 x 10-2 Wb, and change in current is 0.01 A? |
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
|
| 5 | A real transformer does not change. |
A. Voltage level
B. Current level
C. Power level
D. Frequency
|
| 6 | 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. |
A. 0.25 N
B. 2.5 N
C. 0.25 V
D. 2.5 V
|
| 7 | If we make magnetic field stronger the value of induced current is. |
A. Decreased
B. Increased
C. Vanishes
D. Remain constant
|
| 8 | The winding of the electromagnet in motor are usually called. |
A. Magnetic coils
B. Field coils
C. Electric coils
D. electric o electric coils
|
| 9 | The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be: |
A. Antoclockwise
B. Clockwise
C. First Clockwise and then Antoclockwise
D. First anticlockwise and then Clockwise
|
| 10 | Self induction does not depend on |
A. Number of turns of the coil
B. Area of cross section of the core
C. Nature of material of the core
D. Current through inductor
|
Test Questions