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

Flurescent screen is a screen where visible spot

Question # 2

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

Question # 3

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 # 4

For the conversion of galvanometer into voltmeter, we connect a

Question # 5

The voltage increases linearly with

Question # 6

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

Question # 7

Electron gun consist of

Question # 8

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 # 9

Method "lamp and scale arrangement" used to measure the

Question # 10

The strength of magnetic field around the current conductor is

Question # 11

The CRO deflects the beam of electrons, when they passes through uniform

Question # 12

The SI unit of magnetic permeability is

Question # 13

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

Question # 14

The SI unit of magnetic flux is

Question # 15

How many number of anodes used in electron gun

Question # 16

The unit of magnetic flux is

Question # 17

Weber is a unit of

Question # 18

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

Question # 19

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 # 20

Magnetic flux and flux density are related by

Question # 21

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 22

CRO deflects the beam of

Question # 23

The magnetic field inside a solenoid can be increased by:

Question # 24

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

Question # 25

A field is uniform and much stronger:

Question # 26

A long wire wound tightly on a cylindrical core is called:

Question # 27

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

Question # 28

Magnetic induction is also called as:

Question # 29

The angle of deflection of coil can be measured by the

Question # 30

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

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 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
2 Lorentz force is defined as
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
3 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
4 When some compass needles are placed on a card board along a circle with the center at the wire, they will
A.

Point the direction of N-S

B.

Set themselves tangential to the circle

C.

Point in the direction of E-W

D.

None of these
5 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
6 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
7 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
8 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
9 Total number of turns on 0.15 m length solenoid is 300. the value of n is:
A. Greater than 300
B. Smaller than 300
C. Equal to 300
D. Any of (A) or (B)
10 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance

Test Questions

Is this page helpful?