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

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

Question # 2

The magnetic field in the middle of a solenoid due to current is

Question # 3

Which is modified form of galvanometer

Question # 4

A galvanometer is an instrument used to

Question # 5

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

Question # 6

A charged particle moving at right angle to the magnetic field will experience

Question # 7

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 8

F = I(L x B) is a

Question # 9

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

Question # 10

The current is measured in

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

The vector representation of force experience give the direction of

Question # 15

The SI unit of magnetic permeability is

Question # 16

Tesla is the unit of

Question # 17

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 # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The most suitable material for permanent magnet is

Question # 23

A resistance used in galvanometer to make it voltmeter is called

Question # 24

A solenoid is a coil of wire which is:

Question # 25

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

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

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

Question # 28

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 29

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

Question # 30

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

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 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 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
3 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
4 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
5 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
6 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
7 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
8 The e/m of an electron moving in a circular path in a magnetic field is equal to
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
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 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these

Test Questions