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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
Referring to above figure, current in coil P falls from its maximum value to zero
Question # 2
Motional emf is called motional:
Question # 3
Lenz's law is the consequence of
Question # 4
When a conductor is moved across a magnetic field, the redistribution of charge sets up:
Question # 5
For inducting emf in a coil the basic requirement is that:
Question # 6
When there is no relative motion between the magnet and coil, the galvanometer indicated
Question # 7
The induced current in the loop can be increased by:
Question # 8
The unit of induced emf is:
Question # 9
An
induced current can be produced by:
Question # 10
The induced current in the loop can be increased by:
Question # 11
Referring to above figure, due to change in current in the coil P, the change in magnetic flux
Question # 12
The Phenomenon of generation of induced emf is called
Question # 13
Eddy current is produced when:
Question # 14
A.C. can be measure with the help of
Question # 15
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:
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 -
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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 | 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
|
| 2 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 3 | Michael Faraday and Joseph Henry belong respectively to |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 4 | 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
|
| 5 | The product of induced current and the resistance of the wire through which the current is passing is called: |
A. Electromagnetic induction
B. induced emf
C. Induced current
D. Self induced
|
| 6 | 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
|
| 7 | Back emf is produced due to |
A. Self induction
B. Mutual induction
C. A.C
D. Lenz's law
|
| 8 | 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
|
| 9 | When the conductor moved across a magnetic field: |
A. Emf induced is similar to that of a battery
B. Emf induced gives rise to induced current
C. An emf induced across its ends
D. All are correct
|
| 10 | The phenomenon of generation of induced emf is called: |
A. Electrostatic induced
B. Magnetic induced
C. Electromagnetic induced
D. Electric induced
|
Test Questions
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