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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
Transformer is used to
Question # 2
Lenz's law is the consequence of
Question # 3
The SI unit of magnetic induction is
Question # 4
The phenomenon of generation of induced emf is called
Question # 5
Lens's law deals with the
Question # 6
When the conductor moved across a magnetic field:
Question # 7
The magnitude of induced emf depends upon the:
Question # 8
Referring to above figure, due to change in current in the coil P, the change in magnetic flux
Question # 9
What is the coefficient of mutual inductance, when the magnetic flux changes by 2 X 10-2Wb, and change in current is 0.01 A?
Question # 10
The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called
Question # 11
The induced current is a conductor depends upon:
Question # 12
In magnet-coil experiment, emf can be produced by:
Question # 13
Michael Faraday and Joseph Henry belong respectively to
Question # 14
A square loop of wire is moving through a uniform magnetic field. The normal to the loop is oriented parallel to the magnetic field. The emf induced in the loop is:
Question # 15
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when
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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 -
U Umer Usman 11 - Mar - 2024 02 Min 44 Sec 55/60 -
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A ahtisham *#*# 04 - Mar - 2024 04 Min 23 Sec 55/60 -
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A Alishba Farooq 08 - Mar - 2024 21 Min 44 Sec 55/60 -
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T Tasser Haider 01 - Jun - 2024 01 Min 46 Sec 45/60 -
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 | The phenomenon of generation of induced emf is called: |
A. Electrostatic induced
B. Magnetic induced
C. Electromagnetic induced
D. Electric induced
|
| 2 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
|
| 3 | The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called |
A. Mutual induction
B. Mutual inductance
C. Capacitance
D. Self inductance
|
| 4 | Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current: |
A. Of same magnitude in the same direction
B. Of different magnitude in the same direction
C. Of same magnitude but in opposite direction
D. Of different magnitude in the opposite direction
|
| 5 | The current produced by moving a loop of a wire across a magnetic field is called: |
A. Direct current
B. Magnetic current
C. Alternating current
D. Induced current
|
| 6 | The law of electromagnetic induction is related to: |
A. Coulomb
B. Ampere
C. Faraday
D. Lenz
|
| 7 | 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
|
| 8 | Self inducede e.m.f. is also called |
A. Motional e.m.f.
B. Thermistor
C. Electrostatic induction
D. Back e.m.f
|
| 9 | Micheal Faraday and joseph Henry belong respectively to: |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 10 | 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
|
Test Questions
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