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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
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:
Question # 2
An
induced current can be produced by:
Question # 3
Transformer is used to
Question # 4
Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current
Question # 5
Referring to above figure, current in the coil P grows from zero to its maximum value:
Question # 6
Split rings act as
Question # 7
An induced current can be produced by:
Question # 8
When there is no relative motion between the magnet and coil, the galvanometer indicates:
Question # 9
Referring to above figure, due to change in current in the coil P, the change in magnetic flux:
Question # 10
An emf is set up in a conductor when it:
Question # 11
Referring to above figure, current in coil P falls from its maximum value to zero:
Question # 12
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when
Question # 13
The law of electromagnetic induction is related to:
Question # 14
The current produced by moving a loop of wire across a magnetic field is called:
Question # 15
When there is no relative motion between the magnet and coil, the galvanometer indicated
Top Scorers Of ECAT Physics Chapter 15 Electromagnetic Induction MCQ`s Test
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M mehboob ali 21 - Jul - 2024 04 Min 50 Sec 35/60
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | Split rings act as |
A. Vibrator
B. Resistor
C. Motor
D. Commulator
|
| 3 | Micheal Faraday and joseph Henry belong respectively to: |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 4 | Motional emf is called motional: |
A. Electromagnetic force and is measured in newtons
B. Electromotive force and is measured in volt
C. Electromotive force and is measured in newtons
D. Electromagnetic force and is measured in volts
|
| 5 | The change of magnetic flux through a circuit will produce |
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
|
| 6 | 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
|
| 7 | 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
|
| 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 | 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
|
| 10 | A.C. can be measure with the help of |
A. Nuclear effect
B. Magnetic effect
C. Chemical effect
D. Heating effect
|
Test Questions