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

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

Question # 2

The SI unit of magnetic induction is

Question # 3

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

Question # 4

A beam of electrons is provided by an

Question # 5

Magnetic flux and flux density are related by

Question # 6

Resistance is measured in

Question # 7

Weber is a unit of

Question # 8

Avo-meter is used of measure the

Question # 9

The direction of lines of force depends upon the direction of

Question # 10

The magnetic field inside a solenoid can be increased by:

Question # 11

Magnetic induction is also called as:

Question # 12

The force acting on a charge moving in a magnetic field

Question # 13

Flurescent screen is a screen where visible spot

Question # 14

A solenoid is a coil of wire which is:

Question # 15

The current sensitivity of the galvanometer is

Question # 16

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

Question # 17

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 18

The current is measured in

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The force experienced by charged particle is maximum, if it moves

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

The gavanometer constant of a moving coil galvanometer is given by

Question # 27

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

Question # 28

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

Question # 29

Galvanometer is a device used for the detection of

Question # 30

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

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 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
2 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
3 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
4 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
5 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
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
A. n/AL
B. Al/n
C. nAL
D. nA/L
7 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
8 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
9 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
10 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

Test Questions