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 permeability of free space is measured in:

Question # 2

The vector representation of force experience give the direction of

Question # 3

A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is

Question # 4

The most suitable material for permanent magnet is

Question # 5

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

Question # 6

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 7

The current is measured in

Question # 8

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

Question # 9

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

Question # 10

The gavanometer constant of a moving coil galvanometer is given by

Question # 11

Lorentz force is defined as

Question # 12

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 13

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

Question # 14

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

Question # 15

When current passes through a solenoid coil, it behaves like a

Question # 16

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 17

The torque per unit twist of coil is called

Question # 18

Electron gun consist of

Question # 19

At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:

Question # 20

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 21

F = I(L x B) is a

Question # 22

The current sensitivity of the galvanometer is

Question # 23

The unit of magnetic flux is

Question # 24

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

Question # 25

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 26

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 27

The pointer of a magnetic compass:

Question # 28

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 29

When the charged particle is projected at right angles to the field, then experienced by it will be:

Question # 30

The angle of deflection of coil can be measured by the

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 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
D. none of these
2 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these
3 The SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
4 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
5 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)
6 A solenoid is a coil of wire which is:
A.

Short, loosely wound, cylindrical

B.

Long, tightly wound, spherical

C.

Long, loosely wound, cylindrical

D.

Long, tightly wound, cylindrical
7 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area
8 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
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 current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!