ECAT Pre General Science Physics Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 14 Electromagnetism

00:00
Question # 1

Lorentz force is defined as

Question # 2

Resistance is measured in

Question # 3

To convert galvanometer into ammeter we connect

Question # 4

Current is measured in

Question # 5

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 6

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

Question # 7

The strength of magnetic field around the current conductor is

Question # 8

It is customary represent a current flowing towards the reader by a symbol

Question # 9

Avo-meter is used of measure the

Question # 10

The magnetic field in the middle of a solenoid due to current is

Question # 11

How many number of anodes used in electron gun

Question # 12

Electron gun consist of

Question # 13

The permeability of free space is measured in:

Question # 14

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 15

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 16

A beam of electrons is provided by an

Question # 17

A charged particle moving at right angle to the magnetic field will experience

Question # 18

The SI unit of magnetic induction is tesla which is equal to

Question # 19

The direction of lines of force depends upon the direction of

Question # 20

CRO deflects the beam of

Question # 21

Method "lamp and scale arrangement" used to measure the

Question # 22

The sources of magnetic field are

Question # 23

The field around a moving charge is called

Question # 24

The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by

Question # 25

Which is modified form of galvanometer

Question # 26

The force experienced by charged particle is maximum, if it moves

Question # 27

The current sensitivity of the galvanometer is

Question # 28

The unit of magnetic flux is

Question # 29

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 30

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 14 Electromagnetism MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 14 Electromagnetism MCQ`s Test

  • M
    M Abduullah 17 - Feb - 2021 13 Min 51 Sec 65/120
  • W
    Waleed Ahmed 25 - Feb - 2023 18 Min 24 Sec 55/120
  • I
    Inzmam Rajper 16 - Jun - 2022 10 Min 50 Sec 50/120
  • H
    Hiba Akhtar 06 - Mar - 2023 06 Min 56 Sec 45/120

ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A full-scale deflection is obtained in a galvanometer with a current of few
A. ampere
B. volts
C. milliampere
D. ohm
2 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
3 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
4 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
5 The most suitable material for permanent magnet is
A. cobalt
B. iron
C. steel
D. alaminium
6 For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
A. modification
B. voltage
C. current
D. resistance
7 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
8 In the region surrounding a current carrying wire:
A. A magnetic field is setup

B.

The lines of force are elliptical

C.

Direction of lines of forces depends upon direction of current

D.

Both (A) and (C)
9 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
10 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these

Test Questions

Is this page helpful?