Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.jpg)
MCQ's Test For ECAT Physics Chapter 15 Electromagnetic Induction
Try The MCQ's Test For ECAT Physics Chapter 15 Electromagnetic Induction
-
Total Questions15
-
Time Allowed20
ECAT Physics Chapter 15 Electromagnetic Induction
00:00
Question # 1
The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called
Question # 2
When the conductor moved across a magnetic field:
Question # 3
An induced current can be produced by
Question # 4
In magnet-coil experiment, emf can be produced by:
Question # 5
The induced current in the loop can be increased by:
Question # 6
Referring to above figure, current in coil P falls from its maximum value to zero
Question # 7
A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when:
Question # 8
The phenomenon of generation of induced emf is called
Question # 9
The induced current in the loop can be Increased by
Question # 10
The magnitude of induced emf depends upon the:
Question # 11
The rate change of area expressed is expressed in:
Question # 12
Which of the following quantities remain constant in step up transformer?
Question # 13
The device in which induced emf is statically induced emf is:
Question # 14
The work is stored in the inductor as
Question # 15
An induced current can be produced by:
Top Scorers Of ECAT Physics Chapter 15 Electromagnetic Induction MCQ`s Test
-
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 | Which of the following quantities remain constant in step up transformer? |
A. Current
B. Voltage
C. Power
D. Heat
|
| 2 | In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called: |
A. Motion emf
B. Electrostatic emf
C. Induced emf
D. Both A and B
|
| 3 | Back emf is produced due to |
A. Self induction
B. Mutual induction
C. A.C
D. Lenz's law
|
| 4 | The unit of induced emf is: |
A. Volt
B. Nm/As
C. Joule coul-1
D. Both A and C
|
| 5 | 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 an induced current is coil S
D. All of these
|
| 6 | 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
|
| 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 | Referring to above figure, a changing current in coil P can be produced: |
A. At the instant the switch is closed
B. At the instant the switch is opened
C. With the help of rheostat
D. All of these
|
| 9 | The Phenomenon of generation of induced emf is called |
A. Electrostatic induction
B. Magnetic induction
C. Electromagnetic induction
D. Electric induction
|
| 10 | 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
|
Test Questions