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 current sensitivity of the galvanometer is

Question # 2

The e/m of an electron moving in a circular path in a magnetic field is equal to

Question # 3

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 4

Method "lamp and scale arrangement" used to measure the

Question # 5

The SI unit of flux density is

Question # 6

Which one of the following relations is correct?

Question # 7

The magnetic field outside the solenoid due to current is

Question # 8

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

Question # 9

Which is modified form of galvanometer

Question # 10

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 # 11

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

Question # 12

Avo-meter is used of measure the

Question # 13

In the region surrounding a current carrying wire:

Question # 14

CRO deflects the beam of

Question # 15

NmA-1 is commonly called:

Question # 16

Magnetic induction is also called as:

Question # 17

The most suitable material for permanent magnet is

Question # 18

The CRO is used for displaying the waveform of a given

Question # 19

The vector representation of force experience give the direction of

Question # 20

A current carrying conductor sets up its own:

Question # 21

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

Question # 22

A voltmeter is used to measure the

Question # 23

To convert galvanometer into ammeter we connect

Question # 24

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 # 25

A beam of electrons is provided by an

Question # 26

The gavanometer constant of a moving coil galvanometer is given by

Question # 27

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

Question # 28

How many number of anodes used in electron gun

Question # 29

The current is measured in

Question # 30

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:

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 resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
2 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
3 Charge to mass ratio (e/m) of an electron is given by the relation
A. e/m = 2V/Br2
B. e/m = 2V/B2r
C. e/m = 2V/B2r2
D. e/m = V/2B2r2
4 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
5 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
6 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
7 A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
A. Zero
B. 105 m
C. 10-10N
D. 108N
8 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
9 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid
10 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these

Test Questions