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

Which one of the following relations is correct?

Question # 2

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 3

The current sensitivity of the galvanometer is

Question # 4

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 5

Tesla is the unit of

Question # 6

Galvanometer is a device used for the detection of

Question # 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

Question # 8

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 9

The magnetic field inside a solenoid can be increased by:

Question # 10

The magnetic field outside the solenoid due to current is

Question # 11

Magnetic lines of force:

Question # 12

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

Question # 13

The field around a moving charge is called

Question # 14

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 15

Resistance is measured in

Question # 16

Magnetic flux and flux density are related by

Question # 17

Avo-meter is used of measure the

Question # 18

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

Question # 19

F = I(L x B) is a

Question # 20

Strength of magnetic field is measured in SI units, in:

Question # 21

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

Question # 22

A current carrying conductor sets up its own:

Question # 23

The SI unit of flux density is

Question # 24

A voltmeter is used to measure the

Question # 25

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

Question # 26

To convert galvanometer into ammeter we connect

Question # 27

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

Question # 28

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 # 29

the current is pass through the straight wire. The magnetic field established around it has its lines of force:

Question # 30

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

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 charged particle is projected perpendicular to a uniform magnetic field its trajectory is
A. circular
B. elliptical
C. cycloid
D. straight line
2 The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
3 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these
4 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
5 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
6 Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
A. BACosѲ

B. Zero
C. BA
D. BA sinѲ
7 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
8 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:
A. -y direction
B. +y direction
C. +z direction
D. -z direction
9 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
10 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

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!