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

Magnetic flux and flux density are related by

Question # 2

The vector representation of force experience give the direction of

Question # 3

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 4

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

Question # 5

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

Question # 6

A galvanometer is an instrument used to

Question # 7

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

Question # 8

A resistance used in galvanometer to make it voltmeter is called

Question # 9

The CRO is used for displaying the waveform of a given

Question # 10

Flurescent screen is a screen where visible spot

Question # 11

In order to make a voltmeter, high resistance is connected with galvanometer, in

Question # 12

Lorentz force is defined as

Question # 13

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

Question # 14

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 15

In the region surrounding a current carrying wire:

Question # 16

The direction of lines of force depends upon the direction of

Question # 17

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

Question # 18

The unit of flux density is also given by

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

In a moving coil galvanometer, the deflecting couple depends upon

Question # 24

For the conversion of galvanometer into voltmeter, we connect a

Question # 25

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 # 26

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

Question # 27

Avo-meter is used of measure the

Question # 28

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

Question # 29

Current is measured in

Question # 30

The sources of magnetic field are

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 When the charged particle is projected at right angles to the field, then experienced by it will be:
A. Maximum
B. Zero
C. qvB
D. Both (A) and (B)
2 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
3 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
4 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
5 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
6 A field is uniform and much stronger:
A.

Inside a long solenoid

B.

Outside a long solenoid

C.

At the end of a long solenoid

D.

At the central point of long solenoid
7 Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:
A.

Thumb

B.

Curled fingers

C.

Middle finger

D.

Arm of right hand
8 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
9 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
10 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!