ECAT Pre Computer Science Chapter 15 MCQ Test With Answer

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

Start Test Download PDF

ECAT Physics Chapter 15 Electromagnetic Induction

00:00
Question # 1

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

Question # 2

The phenomenon of generation of induced emf is called:

Question # 3

Instead of moving the coil towards a magnet, the magnet is moved towards the coil with the same speed. The galvanometer shows current

Question # 4

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 # 5

The device in which induced emf is statically induced emf is:

Question # 6

The rate change of area expressed is expressed in:

Question # 7

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

Question # 8

Motional emf is called motional:

Question # 9

Split rings act as

Question # 10

When the conductor moved across a magnetic field:

Question # 11

Which of the following quantities remain constant in step up transformer?

Question # 12

The induced current in the loop can be increased by:

Question # 13

When there is no relative motion between the magnet and coil, the galvanometer indicated

Question # 14

Referring to above figure, a changing current in coil P can be produced:

Question # 15

An induced current can be produced by:

Submit

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


Topic Test

00:00
Submit

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
  • M
    Muneeb ur Rehman 29 - Jun - 2026 03 Min 35 Sec 56/60
  • 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

ECAT Physics Chapter 15 Important MCQ's

Sr.# Question Answer
1 An emf is set up in a conductor when it
A. Is kept in a magnetic field
B. Is kept in an electric field
C. Moves across a magnetic field
D. Both A and B
2 For inducting emf in a coil the basic requirement is that:
A. Flux should link the coil
B. Change in flux should link the coil
C. Coil should form a closed loop
D. Both B and C are true
3 The law of electromagnetic induction is related to:
A. Coulomb
B. Ampere
C. Faraday
D. Lenz
4 The product of induced current and the resistance of the wire through which the current is passing is called:
A. Electromagnetic induction
B. induced emf
C. Induced current
D. Self induced
5 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
6 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
7 In magnet-coil experiment, emf can be produced by:
A. Keeping the coil stationary and moving the magnet
B. Keeping the magnet stationary and moving the coil
C. Relative motion of the loop and magnet
D. Any one of above
8 Lenz's law is the consequence of
A. Mass
B. Energy conservation
C. Momentum conservation
D. Charge
9 The phenomenon of generation of induced emf is called:
A. Electrostatic induced
B. Magnetic induced
C. Electromagnetic induced
D. Electric induced
10 What is the coefficient of mutual inductance, when the magnetic flux changes by 2 X 10-2Wb, and change in current is 0.01 A?
A. 2 H
B. 3 H
C. 1/2 H
D. Zero

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!