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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
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Question # 1
An emf is set up in a conductor when it:
Question # 2
The Phenomenon of generation of induced emf is called
Question # 3
Motional emf is called motional:
Question # 4
An induced current can be produced by:
Question # 5
Michael Faraday and Joseph Henry belong respectively to
Question # 6
An induced current can be produced by:
Question # 7
An induced current can be produced by
Question # 8
Referring to above figure, current in the coil P grows from zero to its maximum value
Question # 9
The induced current in the loop can be increased by:
Question # 10
Faraday's law of electromagnetic induction has been used in the construction of:
Question # 11
Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current:
Question # 12
The phenomenon of generation of induced emf is called:
Question # 13
When a conductoris moved across a magnetic field:
Question # 14
Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:
Question # 15
Lens's law deals with the
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 -
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A Ahmad Inam 21 - Dec - 2024 09 Min 05 Sec 40/60
ECAT Class Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The induced emf in a coil is proportional to: |
A. Magnetic flux through a coil
B. Rate of change of magnetic flux through the coil
C. Area of the coil
D. Product of magnetic flux and area of the coil
|
| 2 | 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
|
| 3 | Michael Faraday and Joseph Henry belong respectively to |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 4 | The phenomenon of generation of induced emf is called |
A. Electrostatic induction
B. Magnetic induction
C. Electromagnetic induction
D. Electric induction
|
| 5 | Micheal Faraday and joseph Henry belong respectively to: |
A. USA and England
B. England and France
C. England and USA
D. USA and France
|
| 6 | The motional e.m.f depends upon the |
A. Length of a conductor
B. Strength of a magnet
C. Speed of the conductor
D. All of the above
|
| 7 | The change of magnetic flux through a circuit will produce |
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
|
| 8 | Split rings act as |
A. Vibrator
B. Resistor
C. Motor
D. Commulator
|
| 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 | 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
|
Test Questions
