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

Split rings act as

Question # 2

The work is stored in the inductor as

Question # 3

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 # 4

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

Question # 5

Back emf is produced due to

Question # 6

Eddy current is produced when:

Question # 7

An emf is set up in a conductor when it:

Question # 8

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

Question # 9

When a conductoris moved across a magnetic field:

Question # 10

The phenomenon of generation of induced emf is called

Question # 11

Faraday's law of electromagnetic induction has been used in the construction of:

Question # 12

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

Question # 13

When a conductor moved with its length parallel to the lines of magnetic fled:

Question # 14

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

Question # 15

In magnet-coil experiment, emf 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
  • 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 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
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 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
4 The unit of induced emf is:
A. Volt
B. Nm/As
C. Joule coul-1
D. Both A and C
5 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
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 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
8 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
9 The rate change of area expressed is expressed in:
A. None of these
B. ms-1
C. m2s-2
D. ms-2
10 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

Test Questions

Is this page helpful?