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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
00:00
Question # 1
Referring to above figure, current in coil P falls from its maximum value to zero:
Question # 2
Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:
Question # 3
The work is stored in the inductor as
Question # 4
Split rings act as
Question # 5
An
induced current can be produced by:
Question # 6
Eddy current is produced when:
Question # 7
A device which converts Electrical energy into mechanical energy is called as
Question # 8
The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called
Question # 9
When the conductor moved across a magnetic field:
Question # 10
Micheal Faraday and joseph Henry belong respectively to:
Question # 11
An induced current can be produced by:
Question # 12
The current produced by moving a loop of wire across a magnetic field is called:
Question # 13
The SI unit of magnetic induction is
Question # 14
The change of magnetic flux through a circuit will produce
Question # 15
Self inducede e.m.f. is also called
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 | Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current |
A. Of same magnitude in the same direction
B. Of different magnitude in the same direction
C. Of same magnitude but in opposite direction
D. Of different magnitude in the opposite direction
|
| 2 | For inducting 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
|
| 3 | A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when: |
A. The coil is distorted
B. The coil is rotated
C. The coil is neither distorted nor rotated
D. Both A and B
|
| 4 | The practical application of the phenomenon of Mutual induction is |
A. Transformers
B. Generator
C. Motor
D. All of these
|
| 5 | A device which converts Electrical energy into mechanical energy is called as |
A. Transformer
B. Generator
C. Motor
D. All of these
|
| 6 | An emf is set up in a conductor when it: |
A. is kept in a magnetic field
B. is kept in a electric field
C. Move across a magnetic field
D. Both (A) and (B)
|
| 7 | Referring to above figure, a changing current in coil P can be produced: |
A. At the instant the switch is closed
B. At the instant the switch is opened
C. With the help of rheostat
D. All of these
|
| 8 | Micheal Faraday and joseph Henry belong respectively to: |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 9 | The phenomenon of generation of induced emf is called |
A. Electrostatic induction
B. Magnetic induction
C. Electromagnetic induction
D. Electric induction
|
| 10 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
|
Test Questions
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