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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
A.C. can be measure with the help of
Question # 2
The current produced by moving a loop of wire across a magnetic field is called:
Question # 3
Referring to above figure, due to change in current in the coil P, the change in magnetic flux
Question # 4
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:
Question # 5
An induced current can be produced by
Question # 6
When a conductor is moved across a magnetic field, the redistribution of charge sets up:
Question # 7
The magnitude of induced emf depends upon the:
Question # 8
The practical application of the phenomenon of Mutual induction is
Question # 9
Referring to above figure, due to change in current in the coil P, the change in magnetic flux:
Question # 10
Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:
Question # 11
When there is no relative motion between the magnet and coil, the galvanometer indicates:
Question # 12
In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:
Question # 13
The induced current in a conductor depends upon
Question # 14
The change of magnetic flux through a circuit will produce
Question # 15
The induced current in the loop can be increased by:
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 -
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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 -
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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 | When a conductor moved with its length parallel to the lines of magnetic fled: |
A. An emf is induced across its ends
B. Emf induced is similar to that of a battery
C. Emf passes through the conductor
D. Both A and B
|
| 2 | Which of the following is most suitable as the core of transformer |
A. Soft iron
B. Alinco
C. Steel
D. None of these
|
| 3 | 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
|
| 4 | 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
|
| 5 | Referring to above figure, due to change in current in the coil P, the change in magnetic flux |
A. Is associated with coil P
B. Is associated with coil S
C. Causes and induced current in coil S
D. All of these
|
| 6 | The device in which induced emf is statically induced emf is: |
A. Transformer
B. AC generator
C. Alternator
D. Dynamo
|
| 7 |
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
|
| 8 | The change of magnetic flux through a circuit will produce |
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
|
| 9 | The unit of induced emf is: |
A. Volt
B. Nm/As
C. Joule coul-1
D. Both A and C
|
| 10 | The rate change of area expressed is expressed in: |
A. None of these
B. ms-1
C. m2s-2
D. ms-2
|
Test Questions