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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
Referring to above figure, current in coil P falls from its maximum value to zero
Question # 2
A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when:
Question # 3
The magnitude of induced emf depends upon the:
Question # 4
A.C. can be measure with the help of
Question # 5
Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current
Question # 6
When a conductor is moved across a magnetic field, the redistribution of charge sets up:
Question # 7
An emf is set up in a conductor when it:
Question # 8
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:
Question # 9
The magnitude of induced emf depends upon the
Question # 10
The practical application of the phenomenon of Mutual induction is
Question # 11
The induced current in the loop can be increased by:
Question # 12
Lens's law deals with the
Question # 13
Which of the following quantities remain constant in step up transformer?
Question # 14
Michael Faraday and Joseph Henry belong respectively to
Question # 15
The change of magnetic flux through a circuit will produce
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 | The phenomenon of generation of induced emf is called: |
A. Electrostatic induced
B. Magnetic induced
C. Electromagnetic induced
D. Electric induced
|
| 2 | The SI unit of magnetic induction is |
A. Weber
B. Weber/meter
C. Henry
D. Tesla
|
| 3 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
|
| 4 | 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
|
| 5 | An emf is set up in a conductor when it |
A. Is kept in a magnetic field
B. Is kept in an electric field
C. Moves across a magnetic field
D. Both A and B
|
| 6 | Referring to above figure, current in coil P falls from its maximum value to zero |
A. At the instant the switch is closed
B. At the instant the switch is opened
C. When switch is kept open
D. When switch is kept closed
|
| 7 | Self inducede e.m.f. is also called |
A. Motional e.m.f.
B. Thermistor
C. Electrostatic induction
D. Back e.m.f
|
| 8 | 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
|
| 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 | 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
|
Test Questions