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MCQ's Test For Physics ECAT Pre Engineering Chapter 15 Electromagnetic Induction
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 15 Electromagnetic Induction
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 15 Electromagnetic Induction
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Question # 1
For inducting emf in a coil the basic requirement is that:
Question # 2
Self inducede e.m.f. is also called
Question # 3
In magnet-coil experiment, emf can be produced by:
Question # 4
Lenz's law is the consequence of
Question # 5
The current produced by moving a loop of a wire across a magnetic field is called:
Question # 6
The law of electromagnetic induction is related to:
Question # 7
Michael Faraday and Joseph Henry belong respectively to
Question # 8
The induced current in the loop can be Increased by
Question # 9
The change of magnetic flux through a circuit will produce
Question # 10
The phenomenon of generation of induced emf is called:
Question # 11
Lens's law deals with the
Question # 12
In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:
Question # 13
The magnitude of induced emf depends upon the:
Question # 14
When there is no relative motion between the magnet and coil, the galvanometer indicated
Question # 15
Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current
Top Scorers Of Physics ECAT Pre Engineering Chapter 15 Electromagnetic Induction MCQ`s Test
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M M Umer Arain 29 - Nov - 2024 00 Min 10 Sec 60/60 -
A Abdullah Zubair 04 - Jan - 2025 01 Min 50 Sec 60/60 -
D David Navid 28 - Mar - 2024 02 Min 34 Sec 60/60 -
M Muhammad Sufyan 01 - Jun - 2024 01 Min 51 Sec 55/60 -
F Farzand Shah Farzand Shah 22 - Apr - 2024 01 Min 17 Sec 50/60 -
G Gulfam Ahmad 04 - May - 2024 05 Min 10 Sec 50/60 -
M Mehpara Khatoon 08 - Aug - 2024 03 Min 22 Sec 45/60 -
K Kazim Ali 16 - May - 2024 03 Min 28 Sec 40/60 -
M M SUBHAN HAMEED 04 - Jan - 2025 03 Min 59 Sec 40/60 -
H Huzaifa Asim 25 - May - 2024 04 Min 36 Sec 40/60 -
N Naheed Yasir 23 - May - 2024 05 Min 05 Sec 40/60 -
R rubina kousar 01 - Jun - 2024 05 Min 08 Sec 40/60 -
V Viral Edits 29 - May - 2024 05 Min 17 Sec 40/60 -
T Tasmia 17 - May - 2024 06 Min 46 Sec 40/60 -
A Ahmad Inam 21 - Dec - 2024 09 Min 05 Sec 40/60
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The device in which induced emf is statically induced emf is: |
A. Transformer
B. AC generator
C. Alternator
D. Dynamo
|
| 2 | The current produced by moving a loop of a wire across a magnetic field is called: |
A. Direct current
B. Magnetic current
C. Alternating current
D. Induced current
|
| 3 | When a conductor moved with its length parallel to the lines of magnetic fled: |
A. An emf is induced across its ends
B. Emf induced is similar to that of a battery
C. Emf passes through the conductor
D. Both A and B
|
| 4 | Lenz's law is the consequence of |
A. Mass
B. Energy conservation
C. Momentum conservation
D. Charge
|
| 5 |
A metal road of length 1m is moving at a speed of 1 ms-1In a direction making angle of 30º with 0.5 Y magnetic field. The emf produced in the rod is: |
A. 0.25 N
B. 0.25 V
C. 2.5 V
D. 2.5 N
|
| 6 | Transformer is used to |
A. Increase alternating current
B. Increase d.c voltage
C. Increase & Decrease emf
D. All answers are right
|
| 7 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
|
| 8 | The induced current in a conductor depends upon: |
A. Resistance of the loop
B. Speed with which the conductor moves
C. Any of these
D. Both A and B
|
| 9 | An induced current can be produced by |
A. Constant magnetic field
B. Changing magnetic field
C. Varying electric field
D. Constant electric field
|
| 10 |
Plan of a coil makes an angle of 20º with the lines of magnetic field. The angle between B and vector area of plane of coil is: |
A. Also 20º
B. 70º
C. 90º
D. 180º
|
Test Questions
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