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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
Lenz's law presented in
Question # 2
When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in
Question # 3
If the north pole of a magnet moves away from a metallic ring
Question # 4
The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:
Question # 5
Commentator was invented by
Question # 6
The only difference between the construction of D.C and A.C is.
Question # 7
Electric current produces magnetic field, was suggested by.
Question # 8
Mutual induction has a practical role in the performance of the.
Question # 9
The unit of induced emf is
Question # 10
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 11
The illustration of the phenomenon of mutual induction is in the device of
Question # 12
Step up transformer is used.
Question # 13
Energy stored in inductor is.
Question # 14
The device in which induced emf is statically induced emf is:
Question # 15
DC generator by william Sturgeon in:
Question # 16
Eddy current is produced when:
Question # 17
The working principle of transformer is.
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 | 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 | When a motor is over loaded then the magnitude of back emf. |
A. Increases
B. Decreases
C. Remain constant
D. Zero
|
| 3 | Unit of self inductance is |
A. Weber
B. Tesla
C. Henry
D. Farad
|
| 4 | 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' s1ast rule
|
| 5 |
|
|
| 6 | The motional emf depends upon the |
A. Length of conductor
B. Speed of conductor
C. Strength of magnet
D. All of these
|
| 7 | 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
|
| 8 | 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
|
| 9 | The movement of conductor in magnetic field produces electrical current was discovered in: |
A. 1931
B. 1731
C. 1842
D. 1831
|
| 10 | Efficiency of transformer does not affected by |
A. Input voltage
B. Core of transformer
C. Insulation between sheet
D. Resistance of coils
|
Test Questions