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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 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 # 2
Energy stored in an inductor is:
Question # 3
When motor is just started, back emf is almost.
Question # 4
The direction of induced current is always so as to oppose the change which causes the current is:
Question # 5
The Lenz's law is also statement of:
Question # 6
Lenz's law deals with
Question # 7
The induction can be increased by winding the wire around a core made of.
Question # 8
Output of D.C. motor is
Question # 9
EMF is induced due to change in
Question # 10
If 10 A current passes through 100 mH inductor, then energy stored is.
Question # 11
If magnetic field is doubled then magnetic energy density becomes.
Question # 12
The Si unit of Mutual inductance is:
Question # 13
The only difference between the construction of D.C and A.C is.
Question # 14
If the north pole of a magnet moves away from a metallic ring
Question # 15
The magnitude of back emf:
Question # 16
Electromagnetic induction is exactly according to law of:
Question # 17
A real transformer does not change.
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 | Commutator was invented by: |
A. William bills
B. William Gates
C. William tells
D. William Sturgeon
|
| 2 | 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. |
A. 50
B. 100
C. 150
D. 200
|
| 3 | 1 Henry = |
A. VSA-1
B. VS-1A-1
C. V-1SA
D. VSA-2
|
| 4 | The motional emf is give by |
A. qvB
B. IBL
C. eBL
D. vBL
|
| 5 |
|
|
| 6 | Lenz's law presented in |
A. 1834
B. 1934
C. 1826
D. 1836
|
| 7 | 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
|
| 8 | Energy density of an inductor is: |
A. UM=1/2μ∘/B2
B. Um = 2μ∘/B
C. UM = 1/2B2/μ∘
D. Um = 2B2/μ∘
|
| 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 | 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: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
Test Questions