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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
1 Henry =
Question # 2
Transformer is used to change
Question # 3
Electromagnetic induction is exactly according to law of:
Question # 4
The illustration of the phenomenon of mutual induction is in the device of
Question # 5
Energy stored in an inductor is:
Question # 6
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Question # 7
The current induced can be increased by:
Question # 8
If the north pole of a magnet moves away from a metallic ring
Question # 9
If D.C. input for step up transformer, the output is
Question # 10
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 11
Efficiency of transformer does not affected by
Question # 12
The motional emf is give by
Question # 13
split rings are used in
Question # 14
When the back emf is zero, its draws.
Question # 15
When a motor is over loaded then the magnitude of back emf.
Question # 16
If the coil is wound on iron core, the flux through it.
Question # 17
Lenz's law was given by Heinrich lenz in:
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 | Self inductance of a long solenoid is given by |
D. None of the above
|
| 2 | If force in the direction of velocity of conductor, then induced current is directed, |
A. Anti clockwise
B. Clock wise
C. At equilibrium
D. None of above
|
| 3 | 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
|
| 4 | Electric current produces magnetic field, was suggested by. |
A. Faraday
B. Oersted
C. Henry
D. Lenz
|
| 5 | When motor is just started, back emf is almost. |
A. Maximum
B. Zero
C. Minimum
D. Infinite
|
| 6 | Transformer is used to change |
A. Electric power
B. Magnetic field
C. Alternating voltage
D. Phase of A.C.
|
| 7 | One henry is equal to |
A. 1 ohm x 1 sec
B. 1 ohm x 1 hertz
C. 1 ohm x 1 metre
D. All of above
|
| 8 | B2/2p is the expression of. |
A. Lenz's law
B. Magnetic energy
C. Magnetic energy density
D. Back emf
|
| 9 | 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 |
A. I V
B. 0.25 V
C. 0.5 V
D. 0.6 V
|
| 10 | The direction of induced current is always so as to oppose the change which causes the current is: |
A. Faraday's law
B. Lenz's law
C. Ohm's law
D. Kirchhoff's 1st rule
|
Test Questions