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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 induced emf in a coil is proportional to:
Question # 2
The induced current is a conductor depends upon:
Question # 3
A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when
Question # 4
An emf is set up in a conductor when it:
Question # 5
Back emf is produced due to
Question # 6
In magnet-coil experiment, emf can be produced by:
Question # 7
The magnitude of induced emf depends upon the:
Question # 8
In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:
Question # 9
The induced current in the loop can be Increased by
Question # 10
The device in which induced emf is statically induced emf is:
Question # 11
The induced current in the loop can be increased by:
Question # 12
The law of electromagnetic induction is related to:
Question # 13
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:
Question # 14
An induced current can be produced by:
Question # 15
A.C. can be measure with the help of
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 -
M Muneeb ur Rehman 29 - Jun - 2026 03 Min 35 Sec 56/60 -
R Rabbia Munir 05 - Mar - 2024 02 Min 41 Sec 55/60 -
U Umer Usman 11 - Mar - 2024 02 Min 44 Sec 55/60 -
T Taj baloch Taj baloch 30 - May - 2024 03 Min 52 Sec 55/60 -
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 -
D Danish Mehmood Awan 09 - Mar - 2024 09 Min 20 Sec 50/60 -
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 suzi 10 - Feb - 2026 02 Min 46 Sec 44/60 -
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
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The induced current in the loop can be increased by: |
A. Using a strong magnetic field
B. Moving the loop faster
C. Replacing the loop by a coil of many turns
D. All of above
|
| 2 | Self inducede e.m.f. is also called |
A. Motional e.m.f.
B. Thermistor
C. Electrostatic induction
D. Back e.m.f
|
| 3 | The device in which induced emf is statically induced emf is: |
A. Transformer
B. AC generator
C. Alternator
D. Dynamo
|
| 4 | An induced current can be produced by: |
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic field
D. Constant electric field
|
| 5 | Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V: |
A. 45 V
B. 15 V
C. 90 V
D. 300 V
|
| 6 | 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? |
A. 2 H
B. 3 H
C. 1/2 H
D. Zero
|
| 7 | An induced current can be produced by |
A. Constant magnetic field
B. Changing magnetic field
C. Varying electric field
D. Constant electric field
|
| 8 | A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when: |
A. The coil is destroyed
B. The coil is Rotated
C. The coil is neither destroyed nor rotated
D. Both (A) and (B)
|
| 9 | In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called: |
A. Both A and C
B. Induced emf
C. Both A and B
D. Motion emf
|
| 10 | Back emf is produced due to |
A. Self induction
B. Mutual induction
C. A.C
D. Lenz's law
|
Test Questions
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