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

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 # 3

The SI unit of magnetic induction is

Question # 4

Centripetal force for electron is given by

Question # 5

The unit of magnetic flux is

Question # 6

Magnetic lines of force:

Question # 7

Electron gun consist of

Question # 8

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 # 9

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

Question # 10

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 11

A resistance used in voltmeter is called

Question # 12

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

Question # 13

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

Question # 14

For the conversion of galvanometer into voltmeter, we connect a

Question # 15

The current sensitivity of the galvanometer is

Question # 16

The current is measured in

Question # 17

In a moving coil galvanometer, the deflecting couple depends upon

Question # 18

To convert galvanometer into ammeter we connect

Question # 19

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

Question # 20

Tesla is the unit of

Question # 21

A current carrying conductor sets up its own:

Question # 22

magnetic field is a:

Question # 23

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

Question # 24

The most suitable material for permanent magnet is

Question # 25

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

Question # 26

The unit of flux density is also given by

Question # 27

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

Question # 28

Magnetic flux and flux density are related by

Question # 29

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

Question # 30

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

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
2 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
3 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
4 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
5 A galvanometer is an instrument used to
A. measure voltage across a circuit
B. detect current in a circuit
C. measure current flowing through a circuit
D. none of these
6 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
7 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
8 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
9 When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
A. circular
B. elliptical
C. cycloid
D. straight line
10 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid

Test Questions