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

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

Question # 2

A beam of electrons is provided by an

Question # 3

The CRO is used for displaying the waveform of a given

Question # 4

Magnetic flux and flux density are related by

Question # 5

Galvanometer is a device used for the detection of

Question # 6

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 # 7

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

Question # 8

Centripetal force for electron is given by

Question # 9

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

Question # 10

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 11

The field around a moving charge is called

Question # 12

Tesla is the unit of

Question # 13

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 14

In order to make a voltmeter, high resistance is connected with galvanometer, in

Question # 15

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

Question # 16

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

Question # 17

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 # 18

Resistance is measured in

Question # 19

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

Question # 20

Ammeter is used to measure

Question # 21

The unit of magnetic flux is

Question # 22

Magnetic lines of force:

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Magnetic induction is also called as:

Question # 27

A galvanometer is an instrument used to

Question # 28

The gavanometer constant of a moving coil galvanometer is given by

Question # 29

In the expression of force experienced by electron, the direction of both v and B are

Question # 30

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

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 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
A. 5N
B. 4N
C. 1.5N
D. 6N
2 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
3 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
4 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
5 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
6 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
7 When current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these
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 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
10 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid

Test Questions

Is this page helpful?