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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
The SI unit of magnetic induction is
Question # 2
The phenomenon of generation of induced emf is called
Question # 3
When there is no relative motion between the magnet and coil, the galvanometer indicates:
Question # 4
Referring to above figure, due to change in current in the coil P, the change in magnetic flux
Question # 5
For inducting emf in a coil the basic requirement is that:
Question # 6
When a conductor is moved across a magnetic field, the redistribution of charge sets up:
Question # 7
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 # 8
An
induced current can be produced by:
Question # 9
The magnitude of induced emf depends upon the:
Question # 10
The induced current is a conductor depends upon:
Question # 11
An induced current can be produced by:
Question # 12
An emf is set up in a conductor when it:
Question # 13
Which of the following is most suitable as the core of transformer
Question # 14
The change of magnetic flux through a circuit will produce
Question # 15
The Phenomenon of generation of induced emf is called
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 -
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D David Navid 28 - Mar - 2024 02 Min 34 Sec 60/60 -
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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 the coil
C. Relative motion of the loop and magnet
D. Any one of above
|
| 2 | 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
|
| 3 | A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when: |
A. The coil is destroyed
B. The coil is Rotated
C. The coil is neither destroyed nor rotated
D. Both (A) and (B)
|
| 4 | The motional e.m.f depends upon the |
A. Length of a conductor
B. Strength of a magnet
C. Speed of the conductor
D. All of the above
|
| 5 | The current produced by moving a loop of wire across a magnetic field is called: |
A. Direct current
B. Magnetic current
C. Alternating current
D. Induced current
|
| 6 |
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: |
A. Also 20º
B. 70º
C. 90º
D. 180º
|
| 7 | Micheal Faraday and joseph Henry belong respectively to: |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 8 | The SI unit of magnetic induction is |
A. Weber
B. Weber/meter
C. Henry
D. Tesla
|
| 9 | When there is no relative motion between the magnet and coil, the galvanometer indicated |
A. No current in the circuit
B. An increasing current
C. A decreasing current
D. A constant current
|
| 10 | The phenomenon of generation of induced emf is called: |
A. Electrostatic induced
B. Magnetic induced
C. Electromagnetic induced
D. Electric induced
|
Test Questions