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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
Michael Faraday and Joseph Henry belong respectively to
Question # 2
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 # 3
In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:
Question # 4
Referring to above figure, current in the coil P grows from zero to its maximum value:
Question # 5
An
induced current can be produced by:
Question # 6
Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:
Question # 7
A device which converts Electrical energy into mechanical energy is called as
Question # 8
Transformer is used to
Question # 9
Referring to above figure, a changing current in coil P can be produced:
Question # 10
Which of the following is most suitable as the core of transformer
Question # 11
The work is stored in the inductor as
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 induced current in the loop can be increased by:
Question # 15
Micheal Faraday and joseph Henry belong respectively 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 -
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 -
M mehboob ali 21 - Jul - 2024 04 Min 50 Sec 35/60
ECAT Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | 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
|
| 3 | Referring to above figure, due to change in current in the coil P, the change in magnetic flux |
A. Is associated with coil P
B. Is associated with coil S
C. Causes and induced current in coil S
D. All of these
|
| 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 | 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)
|
| 6 | 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
|
| 7 | Faraday's law of electromagnetic induction has been used in the construction of: |
A. Galvanometer
B. Voltmeter
C. Electric motor
D. Electric genrator
|
| 8 |
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
|
| 9 |
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: |
A. 0.25 N
B. 0.25 V
C. 2.5 V
D. 2.5 N
|
| 10 | The induced current in the loop can be increased by: |
A. Using a stronger magnetic field
B. Moving the loop faster
C. Replacing the loop by a coil of many turns
D. All above
|
Test Questions