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 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 # 2

The voltage increases linearly with

Question # 3

To convert galvanometer into ammeter we connect

Question # 4

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

Question # 5

Magnetic lines of force:

Question # 6

The unit of magnetic flux is

Question # 7

The permeability of free space is measured in:

Question # 8

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 9

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

Question # 10

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

Question # 11

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 # 12

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 # 13

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 # 14

Centripetal force for electron is given by

Question # 15

Ammeter is used to measure

Question # 16

Avo-meter is used of measure the

Question # 17

A galvanometer is an instrument used to

Question # 18

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

Question # 19

Current is measured in

Question # 20

In the region surrounding a current carrying wire:

Question # 21

How many number of anodes used in electron gun

Question # 22

magnetic field is a:

Question # 23

The magnetic field inside a solenoid can be increased by:

Question # 24

The sources of magnetic field are

Question # 25

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

Question # 26

A resistance used in galvanometer to make it voltmeter is called

Question # 27

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 # 28

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

Question # 29

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

Question # 30

For the conversion of galvanometer into voltmeter, we connect a

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 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
2 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
3 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
4 A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
5 if the field is directed along the normal to the area, then flux is:
A.

Maximum

B.

Equal to zero

C.

Equal to BA

D.

Minimum
6 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
7 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
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 force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
10 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
A. n/AL
B. Al/n
C. nAL
D. nA/L

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!