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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
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:
Question # 2
The induced current in a conductor depends upon:
Question # 3
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when
Question # 4
The unit of induced emf is:
Question # 5
An emf is set up in a conductor when it:
Question # 6
The phenomenon of generation of induced emf is called:
Question # 7
Referring to above figure, current in coil P falls from its maximum value to zero
Question # 8
In magnet-coil experiment, emf can be produced by
Question # 9
Referring to above figure, due to change in current in the coil P, the change in magnetic flux:
Question # 10
The magnitude of induced emf depends upon the
Question # 11
When there is no relative motion between the magnet and coil, the galvanometer indicated
Question # 12
Split rings act as
Question # 13
The induced emf in a coil is proportional to:
Question # 14
The direction of induced current is always so as to oppose the cause which produces it. This is
Question # 15
Referring to above figure, current in coil P falls from its maximum value to zero:
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 | In magnet-coil experiment, emf can be produced by |
A. Keeping the coil stationary and moving the magnet
B. Keeping the magnet stationary and moving
C. Relative motion of the loop and magnet
D. Any one of above
|
| 2 | Back emf is produced due to |
A. Self induction
B. Mutual induction
C. A.C
D. Lenz's law
|
| 3 | Michael Faraday and Joseph Henry belong respectively to |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 4 | Self inducede e.m.f. is also called |
A. Motional e.m.f.
B. Thermistor
C. Electrostatic induction
D. Back e.m.f
|
| 5 | 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
|
| 6 | 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
|
| 7 | 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
|
| 8 | 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
|
| 9 | Transformer is used to |
A. Increase alternating current
B. Increase d.c voltage
C. Increase & Decrease emf
D. All answers are right
|
| 10 | 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
|
Test Questions