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

Centripetal force for electron is given by

Question # 2

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 3

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

Question # 4

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 # 5

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

Question # 6

Ammeter is used to measure

Question # 7

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

Question # 8

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

Question # 9

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 10

A resistance used in voltmeter is called

Question # 11

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

Question # 12

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

Question # 13

The sources of magnetic field are

Question # 14

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 15

The magnetic field outside the solenoid due to current is

Question # 16

Amperean path is a:

Question # 17

The SI unit of flux density is.

Question # 18

In the formula B= µ̻ nl, the symbol n denotes:

Question # 19

In the region surrounding a current carrying wire:

Question # 20

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

Question # 21

The direction of lines of force depends upon the direction of

Question # 22

F = I(L x B) is a

Question # 23

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

Question # 24

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 25

Current is measured in

Question # 26

The gavanometer constant of a moving coil galvanometer is given by

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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 In order to make a voltmeter, high resistance is connected with galvanometer, in
A. perpendicular
B. may be paralled or pendicular
C. series
D. none of these
2 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
3 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
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance
4 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
5 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
6 When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
7 Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
A. BACosѲ

B. Zero
C. BA
D. BA sinѲ
8 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)
9 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
10 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
A. 5N
B. 4N
C. 1.5N
D. 6N

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!