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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
00:00
Question # 1
When a conductoris moved across a magnetic field:
Question # 2
The current produced by moving a loop of wire across a magnetic field is called
Question # 3
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 # 4
Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:
Question # 5
The current produced by moving a loop of wire across a magnetic field is called:
Question # 6
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:
Question # 7
In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:
Question # 8
The direction of induced current is always so as to oppose the cause which produces it. This is
Question # 9
Which of the following quantities remain constant in step up transformer?
Question # 10
A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when:
Question # 11
Eddy current is produced when:
Question # 12
The motional e.m.f depends upon the
Question # 13
The induced emf in a coil is proportional to:
Question # 14
The induced current is a conductor depends upon:
Question # 15
The law of electromagnetic induction is related to:
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 -
D dark goblin 18 - Jul - 2024 00 Min 51 Sec 60/60 -
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 -
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M MUHAMMAD SHAHMEER KHAN 09 - Aug - 2024 05 Min 00 Sec 45/60 -
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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 -
M mehboob ali 21 - Jul - 2024 04 Min 50 Sec 35/60
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | Michael Faraday and Joseph Henry belong respectively to |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 3 |
An
induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
|
| 4 | 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
|
| 5 | 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
|
| 6 | 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
|
| 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 | The law of electromagnetic induction is related to: |
A. Coulomb
B. Ampere
C. Faraday
D. Lenz
|
| 9 | The induced current in a conductor depends upon |
A. Resistance of the loop
B. Speed with which the conductor moves
C. Any of these
D. Both A and B
|
| 10 | 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
|
Test Questions
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