ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

  • Total Questions15

  • Time Allowed20

ECAT Physics Chapter 14 Electromagnetism

00:00
Question # 1

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

Question # 2

The most suitable material for permanent magnet is

Question # 3

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

Question # 4

The CRO is used for displaying the waveform of a given

Question # 5

The angle of deflection of coil can be measured by the

Question # 6

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 # 7

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

Question # 8

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

Question # 9

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

Question # 10

The torque per unit twist of coil is called

Question # 11

Tesla is the unit of

Question # 12

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 13

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

Question # 14

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

Question # 15

The current is measured in

Prepare Complete Set Wise ECAT Physics Chapter 14 Electromagnetism MCQs Online With Answers


Topic Test

00:00

Top Scorers Of ECAT Physics Chapter 14 Electromagnetism MCQ`s Test

  • H
    Heer 23 - Jan - 2024 00 Min 43 Sec 60/60
  • D
    dark goblin 18 - Jul - 2024 00 Min 45 Sec 60/60
  • R
    Rizwan Khuharo 13 - Apr - 2024 00 Min 51 Sec 60/60
  • M
    Muneeb ur Rehman 30 - Jun - 2026 02 Min 25 Sec 60/60
  • A
    Aniq Khan 11 - Mar - 2024 02 Min 50 Sec 60/60
  • T
    Tasser Haider 01 - Jun - 2024 02 Min 11 Sec 55/60
  • A
    Abdullah Baloch 29 - Jul - 2024 04 Min 47 Sec 55/60
  • M
    maliha Tariq 05 - Feb - 2024 05 Min 24 Sec 55/60
  • A
    Alishba Farooq 08 - Mar - 2024 66 Min 55 Sec 55/60
  • I
    Inamurehman rehmanbajwa 29 - May - 2024 03 Min 05 Sec 50/60
  • M
    Muhammad noor Ahmed 28 - Feb - 2024 05 Min 32 Sec 50/60
  • M
    mashal zainab 11 - Mar - 2024 05 Min 45 Sec 50/60
  • E
    Esha Azeem 18 - Jun - 2024 05 Min 47 Sec 50/60
  • K
    Kifayet Ali 01 - Jun - 2024 04 Min 01 Sec 45/60
  • P
    Paris Ali 30 - Jul - 2024 08 Min 52 Sec 45/60

ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these
2 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

3 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
4 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
5 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
6 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
D. none of these
7 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
8 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
9 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
10 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these

Test Questions