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

Ammeter is used to measure

Question # 2

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

Question # 3

The strength of magnetic field around the current conductor is

Question # 4

The SI unit of magnetic induction is

Question # 5

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

Question # 6

The voltage increases linearly with

Question # 7

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

Question # 8

The sources of magnetic field are

Question # 9

The current sensitivity of the galvanometer is

Question # 10

In the region surrounding a current carrying wire:

Question # 11

How many number of anodes used in electron gun

Question # 12

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 # 13

A beam of electrons is provided by an

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Resistance is measured in

Question # 18

Lorentz force is defined as

Question # 19

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

Question # 20

NmA-1 is commonly called:

Question # 21

The torque per unit twist of coil is called

Question # 22

The field around a moving charge is called

Question # 23

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

Question # 24

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

Question # 25

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 # 26

The unit of flux density is also given by

Question # 27

The magnetic field outside the solenoid due to current is

Question # 28

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

Question # 29

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

Question # 30

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

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 long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
2 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
3 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
4 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
5 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
6 Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
7 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
8 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
9 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
10 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!