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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
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Question # 1
The induced current in the loop can be increased by:
Question # 2
An emf is set up in a conductor when it:
Question # 3
The induced emf in a coil is proportional to:
Question # 4
The induced current in the loop can be increased by:
Question # 5
An induced current can be produced by:
Question # 6
When there is no relative motion between the magnet and coil, the galvanometer indicated
Question # 7
The law of electromagnetic induction is related to:
Question # 8
Back emf is produced due to
Question # 9
The magnitude of induced emf depends upon the
Question # 10
Self inducede e.m.f. is also called
Question # 11
Which of the following quantities remain constant in step up transformer?
Question # 12
The induced current in the loop can be Increased by
Question # 13
The device in which induced emf is statically induced emf is:
Question # 14
In magnet-coil experiment, emf can be produced by:
Question # 15
The current produced by moving a loop of wire across a magnetic field 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 -
A Abdullah Zubair 04 - Jan - 2025 01 Min 50 Sec 60/60 -
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 | 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
|
| 2 | The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called |
A. Mutual induction
B. Mutual inductance
C. Capacitance
D. Self inductance
|
| 3 | A.C. can be measure with the help of |
A. Nuclear effect
B. Magnetic effect
C. Chemical effect
D. Heating effect
|
| 4 | 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
|
| 5 | 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
|
| 6 | In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called: |
A. Both A and C
B. Induced emf
C. Both A and B
D. Motion emf
|
| 7 | The unit of induced emf is: |
A. Volt
B. Nm/As
C. Joule coul-1
D. Both A and C
|
| 8 | The induced emf in a coil is proportional to: |
A. Magnetic flux through a coil
B. Rate of change of magnetic flux through the coil
C. Area of the coil
D. Product of magnetic flux and area of the coil
|
| 9 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
|
| 10 | 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
|
Test Questions