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MCQ's Test For ECAT Physics Chapter 15 Electromagnetic Induction
Try The MCQ's Test For ECAT Physics Chapter 15 Electromagnetic Induction
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 15 Electromagnetic Induction
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Question # 1
When a conductoris moved across a magnetic field:
Question # 2
The unit of induced emf is:
Question # 3
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 # 4
The magnitude of induced emf depends upon the
Question # 5
The rate change of area expressed is expressed in:
Question # 6
In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:
Question # 7
The induced current in the loop can be Increased by
Question # 8
Back emf is produced due to
Question # 9
Plan of a coil makes an angle of 20º with the lines of magnetic field. The angle between B and vector area of plane of coil is:
Question # 10
Michael Faraday and Joseph Henry belong respectively to
Question # 11
Referring to above figure, current in coil P falls from its maximum value to zero
Question # 12
In magnet-coil experiment, emf can be produced by:
Question # 13
Lens's law deals with the
Question # 14
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:
Question # 15
The SI unit of magnetic induction is
Top Scorers Of ECAT Physics Chapter 15 Electromagnetic Induction MCQ`s Test
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H Heer 28 - Dec - 2023 00 Min 43 Sec 60/60 -
D dark goblin 18 - Jul - 2024 00 Min 51 Sec 60/60 -
R Rabbia Munir 05 - Mar - 2024 02 Min 41 Sec 55/60 -
U Umer Usman 11 - Mar - 2024 02 Min 44 Sec 55/60 -
T Taj baloch Taj baloch 30 - May - 2024 03 Min 52 Sec 55/60 -
A ahtisham *#*# 04 - Mar - 2024 04 Min 23 Sec 55/60 -
E Esha Azeem 20 - Jun - 2024 08 Min 37 Sec 55/60 -
A Alishba Farooq 08 - Mar - 2024 21 Min 44 Sec 55/60 -
D Danish Mehmood Awan 09 - Mar - 2024 09 Min 20 Sec 50/60 -
T Tasser Haider 01 - Jun - 2024 01 Min 46 Sec 45/60 -
M MUHAMMAD SHAHMEER KHAN 09 - Aug - 2024 05 Min 00 Sec 45/60 -
S suzi 10 - Feb - 2026 02 Min 46 Sec 44/60 -
S Syed aazan hussain 30 - Jul - 2023 08 Min 21 Sec 40/60 -
B Bariha Asim 27 - Jun - 2024 04 Min 34 Sec 35/60 -
M mehboob ali 21 - Jul - 2024 04 Min 50 Sec 35/60
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The rate change of area expressed is expressed in: |
A. None of these
B. ms-1
C. m2s-2
D. ms-2
|
| 2 | 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
|
| 3 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
|
| 4 | 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
|
| 5 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
|
| 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 | 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
|
| 8 | Transformer is used to |
A. Increase alternating current
B. Increase d.c voltage
C. Increase & Decrease emf
D. All answers are right
|
| 9 | 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
|
| 10 | Faraday's law of electromagnetic induction has been used in the construction of: |
A. Galvanometer
B. Voltmeter
C. Electric motor
D. Electric genrator
|
Test Questions
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