.jpg)
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
Referring to above figure, a changing current in coil P can be produced:
Question # 2
The magnitude of induced emf depends upon the:
Question # 3
The induced current in the loop can be increased by:
Question # 4
When a conductor moved with its length parallel to the lines of magnetic fled:
Question # 5
The phenomenon of generation of induced emf is called
Question # 6
The work is stored in the inductor as
Question # 7
Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:
Question # 8
Self inducede e.m.f. is also called
Question # 9
The induced current in the loop can be increased by:
Question # 10
In magnet-coil experiment, emf can be produced by:
Question # 11
Referring to above figure, current in coil P falls from its maximum value to zero
Question # 12
A device which converts Electrical energy into mechanical energy is called as
Question # 13
The law of electromagnetic induction is related to:
Question # 14
Referring to above figure, current in coil P falls from its maximum value to zero:
Question # 15
The magnitude of induced emf depends upon the
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 Physics Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | 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: |
A. 0.2 henry
B. 0.1 henry
C. 0.8 henry
D. 0.04 henry
|
| 3 | 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
|
| 4 |
The magnitude of induced emf depends upon the: |
A. Rate of decrease of magnetic field
B. Rate of change of magnetic field
C. Rate of increase of magnetic flux
D. Constancy of magnetic field
|
| 5 | When the conductor moved across a magnetic field: |
A. Emf induced is similar to that of a battery
B. Emf induced gives rise to induced current
C. An emf induced across its ends
D. All are correct
|
| 6 | The work is stored in the inductor as |
A. Electric potential energy
B. Elastic potential energy
C. Magnetic energy
D. Absolute potential energy
|
| 7 | The current produced by moving a loop of wire across a magnetic field is called |
A. Direct current
B. Magnetic current
C. Alternating current
D. Induced current
|
| 8 | 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
|
| 9 | The SI unit of magnetic induction is |
A. Weber
B. Weber/meter
C. Henry
D. Tesla
|
| 10 | 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
|
Test Questions