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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
A 50 mH coil carries a current of 2.0 a , then energy stored in tis magnetic field is.
Question # 2
Electromagnetic induction obeys law of conservation
Question # 3
A real transformer does not change.
Question # 4
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.
Question # 5
The Lenz's law fulfils.
Question # 6
Mutual induction has a practical role in the performance of the.
Question # 7
The only difference between the construction of D.C and A.C is.
Question # 8
When back emf in motor is zero, it draws.
Question # 9
The working principle of transformer is.
Question # 10
DC generator by william Sturgeon in:
Question # 11
In self induction A coil is connected in__________ with battery and a rheostat.
Question # 12
Energy density of an inductor is:
Question # 13
The emf induced by the motion of a conductor across a magnetic field is called:
Question # 14
The motional emf developed in a conduction depends upon.
Question # 15
For inducing emf in a coil the basic requirement is that:
Question # 16
SI unit of hennery which is.
Question # 17
The mutual inductance of the coils depends upon.
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 | If magnetic field is doubled then magnetic energy density becomes. |
A. Four times
B. Two times
C. Three times
D. Six times
|
| 2 | The negative sign with induced emf in Faraday's law is in accordance with |
A. Lenz's law
B. Amperes law
C. Boyle's law
D. Gauss law
|
| 3 | In case of inductor , energy is stored in the |
A. Electric field
B. Magnetic field
C. Potential field
D. Gravitational field
|
| 4 | Electromagnetic induction obeys law of conservation |
A. Charge
B. Energy
C. Momentum
D. Mass
|
| 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 | If D.C. input for step up transformer, the output is |
A. Zero
B. High
C. Low
D. May be high or low
|
| 7 | Induced emf in A.C. generator can be increased by |
A. Decreasing area of coil
B. Decreasing magnetic field
C. Increasing area of coil
D. Slowing down speed of coil
|
| 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 | Commentator was invented by |
A. Henry
B. Ousted
C. Maxwell
D. William sturgeon
|
| 10 | The magnitude of motional emf is given by |
Test Questions