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 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 # 2

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 # 3

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

Question # 4

The current is measured in

Question # 5

The permeability of free space is measured in:

Question # 6

The angle of deflection of coil can be measured by the

Question # 7

It is customary represent a current flowing towards the reader by a symbol

Question # 8

The sources of magnetic field are

Question # 9

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

Question # 10

The force acting on a charge moving in a magnetic field

Question # 11

The SI unit of magnetic flux is

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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 # 16

Resistance is measured in

Question # 17

CRO deflects the beam of

Question # 18

if the field is directed along the normal to the area, then flux is:

Question # 19

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

Question # 20

How many number of anodes used in electron gun

Question # 21

The torque per unit twist of coil is called

Question # 22

Tesla is the unit of

Question # 23

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 24

The voltage increases linearly with

Question # 25

The gavanometer constant of a moving coil galvanometer is given by

Question # 26

A resistance used in voltmeter is called

Question # 27

The current sensitivity of the galvanometer is

Question # 28

The SI unit of flux density is.

Question # 29

The field around a moving charge is called

Question # 30

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

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 relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
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 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
4 The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by
A. F=IB/L
B. F= L x B/I
C. F = IL x B
D. F = IL . B
5 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
6 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
7 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
8 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area
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 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
A. F = B2
B. F = 0
C. F = B
D. F = B/2

Test Questions