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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
With the speed of motor, magnitude of back emf
Question # 2
Lenz's law was given by Heinrich lenz in:
Question # 3
The Lenz's law is also statement of:
Question # 4
A simple device that prevents the direction of current from changing is called.
Question # 5
When back emf in motor is zero, it draws.
Question # 6
The induction can be increased by winding the wire around a core made of.
Question # 7
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 8
The negative sign with induced emf in Faraday's law is in accordance with
Question # 9
Self induction does not depend on
Question # 10
The magnitude of back emf:
Question # 11
Output of D.C. motor is
Question # 12
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 13
If magnetic field is doubled then magnetic energy density becomes.
Question # 14
If the north pole of a magnet moves away from a metallic ring
Question # 15
For inducing emf in a coil the basic requirement is that:
Question # 16
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 17
A current generator device converts:
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 | In case of inductor , energy is stored in the |
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
|
| 2 | A current generator device converts: |
A. Mechanical energy into chemical energy
B. Chemical energy into electrical energy
C. Mechanical energy into electrical energy
D. Both b and c
|
| 3 | If magnetic field is doubled then magnetic energy density becomes. |
A. Four times
B. Two times
C. Three times
D. Six times
|
| 4 | 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
|
| 5 | If 10 A current passes through 100 mH inductor, then energy stored is. |
A. 100 J
B. 5 J
C. 20 J
D. Zero
|
| 6 | Eddy current is one cause energy loss in |
A. A.C. generator
B. Transformer
C. D.C. motor
D. D.C. generator
|
| 7 | If speed of rotation of a generator is doubled the output voltage will be. |
A. Remain same
B. Double
C. Four time
D. One half
|
| 8 | 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
|
| 9 | The induction can be increased by winding the wire around a core made of. |
A. Copper
B. Silicon
C. Iron
D. Aluminum
|
| 10 | If the north pole of a magnet moves away from a metallic ring |
A. Clockwise
B. Anticlockwise
C. First clockwise and then anticlockwise
D. None of above
|
Test Questions