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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
The law of electromagnetic induction is related to:
Question # 2
An emf is set up in a conductor when it:
Question # 3
The product of induced current and the resistance of the wire through which the current is passing is called:
Question # 4
The current produced by moving a loop of wire across a magnetic field is called
Question # 5
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:
Question # 6
When a conductor moved with its length parallel to the lines of magnetic fled:
Question # 7
The induced emf in a coil is proportional to:
Question # 8
Micheal Faraday and joseph Henry belong respectively to:
Question # 9
The motional e.m.f depends upon the
Question # 10
An emf is set up in a conductor when it:
Question # 11
In magnet-coil experiment, emf can be produced by:
Question # 12
In magnet-coil experiment, emf can be produced by:
Question # 13
The current produced by moving a loop of a wire across a magnetic field is called:
Question # 14
The phenomenon of generation of induced emf is called:
Question # 15
The unit of induced emf 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 -
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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 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
|
| 2 | 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
|
| 3 | Faraday's law of electromagnetic induction has been used in the construction of: |
A. Galvanometer
B. Voltmeter
C. Electric motor
D. Electric genrator
|
| 4 | 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
|
| 5 | 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
|
| 6 | 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
|
| 7 | 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
|
| 8 | When there is no relative motion between the magnet and coil, the galvanometer indicates: |
A. No current in circuit
B. An increasing current
C. A decreasing current
D. Either B or C
|
| 9 | A device which converts Electrical energy into mechanical energy is called as |
A. Transformer
B. Generator
C. Motor
D. All of these
|
| 10 | 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: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
Test Questions
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