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

CRO deflects the beam of

Question # 2

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

Question # 3

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

Question # 4

The SI unit of magnetic flux is.

Question # 5

Magnetic flux and flux density are related by

Question # 6

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

Question # 7

Method "lamp and scale arrangement" used to measure the

Question # 8

F = I(L x B) is a

Question # 9

Flurescent screen is a screen where visible spot

Question # 10

The current sensitivity of the galvanometer is

Question # 11

Weber is a unit of

Question # 12

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

Question # 13

The gavanometer constant of a moving coil galvanometer is given by

Question # 14

The magnetic field inside a solenoid can be increased by:

Question # 15

To convert galvanometer into ammeter we connect

Question # 16

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

Question # 17

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 # 18

The SI unit of flux density is.

Question # 19

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

Question # 20

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 21

For the conversion of galvanometer into voltmeter, we connect a

Question # 22

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 # 23

A voltmeter is used to measure the

Question # 24

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

Question # 25

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 26

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 27

Avo-meter is used of measure the

Question # 28

NmA-1 is commonly called:

Question # 29

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 30

Electron gun consist of

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 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
3 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
4 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
5 To convert galvanometer into ammeter we connect
A. small resistance in parallel with galvanometer
B. small resistance in series with galvanometer
C. high resistance in series with galvanometer
D. high resistance in parallel with galvanometer
6 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
7 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
A. n/AL
B. Al/n
C. nAL
D. nA/L
8 The force experienced by an electron projected in a magnetic field B with a velocity V is given by
A. F=e(V x B)
B. F= -e(V x B)
C. F= e(B x V)
D. Both a and c
9 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
10 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!