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

The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon

Question # 2

Resistance is measured in

Question # 3

Centripetal force for electron is given by

Question # 4

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 5

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 6

A galvanometer is an instrument used to

Question # 7

The angle of deflection of coil can be measured by the

Question # 8

Magnetic induction is also called as:

Question # 9

The CRO deflects the beam of electrons, when they passes through uniform

Question # 10

The torque per unit twist of coil is called

Question # 11

Magnetic flux and flux density are related by

Question # 12

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 13

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 14

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 # 15

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

Question # 16

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 17

The field around a moving charge is called

Question # 18

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

Question # 19

The gavanometer constant of a moving coil galvanometer is given by

Question # 20

In the formula B= µ̻ nl, the symbol n denotes:

Question # 21

The sources of magnetic field are

Question # 22

The permeability of free space is measured in:

Question # 23

Galvanometer is a device used for the detection of

Question # 24

A field is uniform and much stronger:

Question # 25

The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the

Question # 26

The unit of magnetic flux is

Question # 27

The vector representation of force experience give the direction of

Question # 28

The unit of flux density is also given by

Question # 29

A beam of electrons is provided by an

Question # 30

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

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

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
2 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
3 Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
A. Maximum
B. Minimum
C. Zero
D. Very small
4 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
5 The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
6 The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
7 If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is
A. F = B2
B. F = 0
C. F = B
D. F = B/2
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 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
10 When some compass needles are placed on a card board along a circle with the center at the wire, they will
A.

Point the direction of N-S

B.

Set themselves tangential to the circle

C.

Point in the direction of E-W

D.

None of these

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!