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

Lens's law deals with the

Question # 3

A device which converts Electrical energy into mechanical energy is called as

Question # 4

The current produced by moving a loop of wire across a magnetic field is called

Question # 5

The phenomenon of generation of induced emf is called:

Question # 6

The induced current in a conductor depends upon:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

In magnet-coil experiment, emf can be produced by:

Question # 11

The law of electromagnetic induction is related to:

Question # 12

The direction of induced current is always so as to oppose the cause which produces it. This is

Question # 13

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 # 14


The magnitude of induced emf depends upon the:

Question # 15

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

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
  • 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 A device which converts Electrical energy into mechanical energy is called as
A. Transformer
B. Generator
C. Motor
D. All of these
2 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:
A. Zero
B. Of smaller magnitude
C. Of larger magnitude
D. Sometimes B, sometimes C
3 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
4 The change of magnetic flux through a circuit will produce
A. Magnetic Field
B. Electric Field
C. emf
D. a.c
5 An induced current can be produced by:
A. Constant magnetic field
B. Changing magnetic field
C. Varying magnetic feild
D. Constant electric field
6 Faraday's law of electromagnetic induction has been used in the construction of:
A. Galvanometer
B. Voltmeter
C. Electric motor
D. Electric genrator
7 The induced current is a conductor depends upon:
A. Resistance of the loop
B. Speed with which the conductor moves
C. Any of these
D. Both (A) and (B)
8 Motional emf is called motional:
A. Electromagnetic force and is measured in newtons
B. Electromotive force and is measured in volt
C. Electromotive force and is measured in newtons
D. Electromagnetic force and is measured in volts
9 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:
A. Also 20º

B. 70º

C. 90º

D. 180º
10 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

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!