Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.jpg)
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
-
Total Questions15
-
Time Allowed20
Physics ECAT Pre Engineering Chapter 15 Electromagnetic Induction
00:00
Question # 1
The law of electromagnetic induction is related to:
Question # 2
Referring to above figure, current in coil P falls from its maximum value to zero:
Question # 3
Back emf is produced due to
Question # 4
Which of the following is most suitable as the core of transformer
Question # 5
The phenomenon of generation of induced emf is called:
Question # 6
The current produced by moving a loop of wire across a magnetic field is called:
Question # 7
Lenz's law is the consequence of
Question # 8
An emf is set up in a conductor when it:
Question # 9
Self inducede e.m.f. is also called
Question # 10
In magnet-coil experiment, emf can be produced by:
Question # 11
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 # 12
Referring to above figure, due to change in current in the coil P, the change in magnetic flux:
Question # 13
An emf is set up in a conductor when it
Question # 14
Motional emf is called motional:
Question # 15
Referring to above figure, current in the coil P grows from zero to its maximum value:
Top Scorers Of Physics ECAT Pre Engineering Chapter 15 Electromagnetic Induction MCQ`s Test
-
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 -
M Muhammad Sufyan 01 - Jun - 2024 01 Min 51 Sec 55/60 -
F Farzand Shah Farzand Shah 22 - Apr - 2024 01 Min 17 Sec 50/60 -
G Gulfam Ahmad 04 - May - 2024 05 Min 10 Sec 50/60 -
M Mehpara Khatoon 08 - Aug - 2024 03 Min 22 Sec 45/60 -
K Kazim Ali 16 - May - 2024 03 Min 28 Sec 40/60 -
M M SUBHAN HAMEED 04 - Jan - 2025 03 Min 59 Sec 40/60 -
H Huzaifa Asim 25 - May - 2024 04 Min 36 Sec 40/60 -
N Naheed Yasir 23 - May - 2024 05 Min 05 Sec 40/60 -
R rubina kousar 01 - Jun - 2024 05 Min 08 Sec 40/60 -
V Viral Edits 29 - May - 2024 05 Min 17 Sec 40/60 -
T Tasmia 17 - May - 2024 06 Min 46 Sec 40/60 -
A Ahmad Inam 21 - Dec - 2024 09 Min 05 Sec 40/60
ECAT Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | When there is no relative motion between the magnet and coil, the galvanometer indicates: |
A. No current in circuit
B. An increasing current
C. A decreasing current
D. Either B or C
|
| 2 | A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when |
A. The coil is distorted
B. The coil is rotated
C. The coil is neither distorted nor rotated
D. Both A and B
|
| 3 | Split rings act as |
A. Vibrator
B. Resistor
C. Motor
D. Commulator
|
| 4 | 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
|
| 5 | Which of the following is most suitable as the core of transformer |
A. Soft iron
B. Alinco
C. Steel
D. None of these
|
| 6 | 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
|
| 7 | 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
|
| 8 | The practical application of the phenomenon of Mutual induction is |
A. Transformers
B. Generator
C. Motor
D. All of these
|
| 9 | Back emf is produced due to |
A. Self induction
B. Mutual induction
C. A.C
D. Lenz's law
|
| 10 | 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
|
Test Questions