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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 the coil P grows from zero to its maximum value:
Question # 2
Eddy current is produced when:
Question # 3
Faraday's law of electromagnetic induction has been used in the construction of:
Question # 4
A.C. can be measure with the help of
Question # 5
The rate change of area expressed is expressed in:
Question # 6
In magnet-coil experiment, emf can be produced by
Question # 7
For inducting emf in a coil the basic requirement is that:
Question # 8
Referring to above figure, due to change in current in the coil P, the change in magnetic flux
Question # 9
The change of magnetic flux through a circuit will produce
Question # 10
In magnet-coil experiment, emf can be produced by:
Question # 11
An emf is set up in a conductor when it:
Question # 12
A device which converts Electrical energy into mechanical energy is called as
Question # 13
The device in which induced emf is statically induced emf is:
Question # 14
Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current
Question # 15
Referring to above figure, due to change in current in the coil P, the change in magnetic flux:
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 -
M Muhammad Sufyan 01 - Jun - 2024 01 Min 51 Sec 55/60 -
F Farzand Shah Farzand Shah 22 - Apr - 2024 01 Min 17 Sec 50/60 -
G Gulfam Ahmad 04 - May - 2024 05 Min 10 Sec 50/60 -
M Mehpara Khatoon 08 - Aug - 2024 03 Min 22 Sec 45/60 -
K Kazim Ali 16 - May - 2024 03 Min 28 Sec 40/60 -
M M SUBHAN HAMEED 04 - Jan - 2025 03 Min 59 Sec 40/60 -
H Huzaifa Asim 25 - May - 2024 04 Min 36 Sec 40/60 -
N Naheed Yasir 23 - May - 2024 05 Min 05 Sec 40/60 -
R rubina kousar 01 - Jun - 2024 05 Min 08 Sec 40/60 -
V Viral Edits 29 - May - 2024 05 Min 17 Sec 40/60 -
T Tasmia 17 - May - 2024 06 Min 46 Sec 40/60 -
A Ahmad Inam 21 - Dec - 2024 09 Min 05 Sec 40/60
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | 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
|
| 3 | An emf is set up in a conductor when it: |
A. is kept in a magnetic field
B. is kept in a electric field
C. Move across a magnetic field
D. Both (A) and (B)
|
| 4 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 5 | The change of magnetic flux through a circuit will produce |
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
|
| 6 | The direction of induced current is always so as to oppose the cause which produces it. This is |
A. Lenz's law
B. Ampere's law
C. Faraday's law
D. Coulomb's law
|
| 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 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
|
| 9 | Self inducede e.m.f. is also called |
A. Motional e.m.f.
B. Thermistor
C. Electrostatic induction
D. Back e.m.f
|
| 10 | 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
|
Test Questions
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