ECAT Pre Engineering Physics Chapter 15 MCQ Test With Answer

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

Start Test Download PDF

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

Referring to above figure, current in the coil P grows from zero to its maximum value

Question # 3

The induced current in the loop can be increased by:

Question # 4

Step up transformer has a transformation ratio of 3:2. What is the voltage in secondary, if voltage in primary is 30V:

Question # 5

The unit of induced emf is:

Question # 6

A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when:

Question # 7

In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:

Question # 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:

Question # 9

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 # 10

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:

Question # 11

An induced current can be produced by

Question # 12

Self inducede e.m.f. is also called

Question # 13

For inducting emf in a coil the basic requirement is that:

Question # 14

Which of the following is most suitable as the core of transformer

Question # 15

When the conductor moved across a magnetic field:

Submit

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 15 Electromagnetic Induction MCQs Online With Answers


Topic Test

00:00
Submit

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 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
2 The practical application of the phenomenon of Mutual induction is
A. Transformers
B. Generator
C. Motor
D. All of these
3 The motional e.m.f depends upon the
A. Length of a conductor
B. Strength of a magnet
C. Speed of the conductor
D. All of the above
4 When a conductor is moved across a magnetic field, the redistribution of charge sets up:
A. Magnetic field
B. Electrostatic field
C. Electromagnetic field
D. All of these
5 An induced current can be produced by
A. Constant magnetic field
B. Changing magnetic field
C. Varying electric field
D. Constant electric field
6 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
7 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
8 The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called
A. Mutual induction
B. Mutual inductance
C. Capacitance
D. Self inductance
9 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
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

Is this page helpful?