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 magnetic field inside a solenoid can be increased by:

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

F = I(L x B) is a

Question # 4

The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by

Question # 5

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

Question # 6

Weber is a unit of

Question # 7

A solenoid is a coil of wire which is:

Question # 8

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

Question # 9

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 # 10

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

Question # 11

The unit of flux density is also given by

Question # 12

The pointer of a magnetic compass:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The voltage increases linearly with

Question # 17

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 # 18

When the charged particle is projected at right angles to the field, then experienced by it will be:

Question # 19

The torque per unit twist of coil is called

Question # 20

Flurescent screen is a screen where visible spot

Question # 21

The current sensitivity of the galvanometer is

Question # 22

The angle of deflection of coil can be measured by the

Question # 23

The unit of magnetic flux is

Question # 24

The permeability of free space is measured in:

Question # 25

The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of

Question # 26

To convert galvanometer into ammeter we connect

Question # 27

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

Question # 28

Ammeter is used to measure

Question # 29

Method "lamp and scale arrangement" used to measure the

Question # 30

The sources of magnetic field are

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 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
2 'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
A. 0
B. 1
C. 0.5
D. -1
3 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
4 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid
5 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
6 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
7 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
8 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
9

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
10 At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:
A. -y direction
B. +y direction
C. +z direction
D. -z direction

Test Questions

Is this page helpful?