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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
An emf is set up in a conductor when it
Question # 2
The rate change of area expressed is expressed in:
Question # 3
Transformer is used to
Question # 4
When a conductor moved with its length parallel to the lines of magnetic fled:
Question # 5
An induced current can be produced by:
Question # 6
When there is no relative motion between the magnet and coil, the galvanometer indicates:
Question # 7
The work is stored in the inductor as
Question # 8
An
induced current can be produced by:
Question # 9
Split rings act as
Question # 10
The device in which induced emf is statically induced emf is:
Question # 11
Faraday's law of electromagnetic induction has been used in the construction of:
Question # 12
Motional emf is called motional:
Question # 13
Lens's law deals with the
Question # 14
An emf is set up in a conductor when it:
Question # 15
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when
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 | Referring to above figure, current in the coil P grows from zero to its maximum value |
A. At the instant the switch is closed
B. At the instant the switch is opened
C. When switch is kept open
D. All of above
|
| 2 | Transformer is used to |
A. Increase alternating current
B. Increase d.c voltage
C. Increase & Decrease emf
D. All answers are right
|
| 3 | An induced current can be produced by |
A. Constant magnetic field
B. Changing magnetic field
C. Varying electric field
D. Constant electric field
|
| 4 | A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when: |
A. The coil is destroyed
B. The coil is Rotated
C. The coil is neither destroyed nor rotated
D. Both (A) and (B)
|
| 5 | Micheal Faraday and joseph Henry belong respectively to: |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 6 | The magnitude of induced emf depends upon the |
A. Rate of decrease of magnetic field
B. Rate of change of magnetic field
C. Rate of increase of magnetic flux
D. Constancy of magnetic field
|
| 7 | When a conductor is moved across a magnetic field, the redistribution of charge sets up: |
A. Magnetic field
B. Electrostatic field
C. Electromagnetic field
D. All of these
|
| 8 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
|
| 9 | The motional e.m.f depends upon the |
A. Length of a conductor
B. Strength of a magnet
C. Speed of the conductor
D. All of the above
|
| 10 | Self inducede e.m.f. is also called |
A. Motional e.m.f.
B. Thermistor
C. Electrostatic induction
D. Back e.m.f
|
Test Questions
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