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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
Split rings act as
Question # 2
Motional emf is called motional:
Question # 3
An emf is set up in a conductor when it:
Question # 4
In magnet-coil experiment, emf can be produced by:
Question # 5
Back emf is produced due to
Question # 6
The induced current in the loop can be increased by:
Question # 7
The product of induced current and the resistance of the wire through which the current is passing is called:
Question # 8
Referring to above figure, current in the coil P grows from zero to its maximum value:
Question # 9
When the conductor moved across a magnetic field:
Question # 10
An induced current can be produced by:
Question # 11
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 # 12
Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:
Question # 13
When a conductoris moved across a magnetic field:
Question # 14
The induced current in a conductor depends upon
Question # 15
Referring to above figure, due to change in current in the coil P, the change in magnetic flux:
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 | Lens's law deals with the |
A. Magnitude of induced current
B. Magnitude of induced e.m.f
C. Direction of induced e.m.f
D. Direction of induced current
|
| 2 | A.C. can be measure with the help of |
A. Nuclear effect
B. Magnetic effect
C. Chemical effect
D. Heating effect
|
| 3 | 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
|
| 4 |
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
|
| 5 | The phenomenon of generation of induced emf is called |
A. Electrostatic induction
B. Magnetic induction
C. Electromagnetic induction
D. Electric induction
|
| 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 | 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
|
| 8 | The induced current in the loop can be Increased by |
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop by a coil of many turns
D. All above
|
| 9 | An emf is set up in a conductor when it: |
A. Is kept in a magnetic field
B. Is kept in an electric field
C. Moves across a magnetic field
D. Both A and B
|
| 10 | Referring to above figure, due to change in current in the coil P, the change in magnetic flux |
A. Is associated with coil P
B. Is associated with coil S
C. Causes and induced current in coil S
D. All of these
|
Test Questions
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