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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
Michael Faraday and Joseph Henry belong respectively to
Question # 2
Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current
Question # 3
The phenomenon of generation of induced emf is called
Question # 4
A device which converts Electrical energy into mechanical energy is called as
Question # 5
The rate change of area expressed is expressed in:
Question # 6
In magnet-coil experiment, emf can be produced by:
Question # 7
The magnitude of induced emf depends upon the
Question # 8
Referring to above figure, due to change in current in the coil P, the change in magnetic flux
Question # 9
In a coil current change from 2 to 4 A in .05 s. If the average induced emf is 8V then coefficient of self-inductance is:
Question # 10
The induced current in the loop can be Increased by
Question # 11
In magnet-coil experiment, emf can be produced by:
Question # 12
Self inducede e.m.f. is also called
Question # 13
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:
Question # 14
Lens's law deals with the
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 -
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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 -
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N Naheed Yasir 23 - May - 2024 05 Min 05 Sec 40/60 -
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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 | 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 | 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
|
| 4 | The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called |
A. Mutual induction
B. Mutual inductance
C. Capacitance
D. Self inductance
|
| 5 | 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
|
| 6 | The change of magnetic flux through a circuit will produce |
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
|
| 7 | 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 the coil
C. Relative motion of the loop and magnet
D. Any one of above
|
| 8 | 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
|
| 9 | Eddy current is produced when: |
A. A metal is kept in varying magnetic field
B. A metal is kept in steady magnetic field
C. A circular coil is placed in a steady magnetic field
D. A current is passed through a circular coil
|
| 10 | What is the coefficient of mutual inductance, when the magnetic flux changes by 2 X 10-2Wb, and change in current is 0.01 A? |
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
|
Test Questions