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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
The rate change of area expressed is expressed in:
Question # 2
A metal road of length 1m is moving at a speed of 1 ms-1In a direction making angle of 30º with 0.5 Y magnetic field. The emf produced in the rod is:
Question # 3
The Phenomenon of generation of induced emf is called
Question # 4
The induced current in the loop can be increased by:
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
Michael Faraday and Joseph Henry belong respectively to
Question # 8
Eddy current is produced when:
Question # 9
Self inducede e.m.f. is also called
Question # 10
For inducting emf in a coil the basic requirement is that:
Question # 11
Which of the following is most suitable as the core of transformer
Question # 12
The magnitude of induced emf depends upon the:
Question # 13
An emf is set up in a conductor when it
Question # 14
The SI unit of magnetic induction is
Question # 15
The unit of induced emf 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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R Rabbia Munir 05 - Mar - 2024 02 Min 41 Sec 55/60 -
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A ahtisham *#*# 04 - Mar - 2024 04 Min 23 Sec 55/60 -
E Esha Azeem 20 - Jun - 2024 08 Min 37 Sec 55/60 -
A Alishba Farooq 08 - Mar - 2024 21 Min 44 Sec 55/60 -
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M MUHAMMAD SHAHMEER KHAN 09 - Aug - 2024 05 Min 00 Sec 45/60 -
S Syed aazan hussain 30 - Jul - 2023 08 Min 21 Sec 40/60 -
B Bariha Asim 27 - Jun - 2024 04 Min 34 Sec 35/60 -
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H haiqa nadeem 03 - Aug - 2024 05 Min 25 Sec 35/60
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
|
| 2 | The law of electromagnetic induction is related to: |
A. Coulomb
B. Ampere
C. Faraday
D. Lenz
|
| 3 | A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when: |
A. The coil is distorted
B. The coil is rotated
C. The coil is neither distorted nor rotated
D. Both A and B
|
| 4 | For inducting emf in a coil the basic requirement is that: |
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both B and C are true
|
| 5 | 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
|
| 6 | In a coil current change from 2 to 4 A in .05 s. If the average induced emf is 8V then coefficient of self-inductance is: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
| 7 | When a conductoris moved across a magnetic field: |
A. Emf induced its similar to that of a battery
B. Emf induced gives rise to induced current
C. An emf is induced across its ends
D. All are correct
|
| 8 | Back emf is produced due to |
A. Self induction
B. Mutual induction
C. A.C
D. Lenz's law
|
| 9 | The unit of induced emf is: |
A. Volt
B. Nm/As
C. Joule coul-1
D. Both A and C
|
| 10 |
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: |
A. Also 20º
B. 70º
C. 90º
D. 180º
|
Test Questions
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