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

A voltmeter is used to measure the

Question # 2

Resistance is measured in

Question # 3

Magnetic lines of force:

Question # 4

Amperean path is a:

Question # 5

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 # 6

In a moving coil galvanometer, the deflecting couple depends upon

Question # 7

Centripetal force for electron is given by

Question # 8

Ammeter is used to measure

Question # 9

A long wire wound tightly on a cylindrical core is called:

Question # 10

Which one of the following relations is correct?

Question # 11

In the region surrounding a current carrying wire:

Question # 12

The current is measured in

Question # 13

Avo-meter is used of measure the

Question # 14

Electron gun consist of

Question # 15

It is customary represent a current flowing towards the reader by a symbol

Question # 16

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

Question # 17

the current is pass through the straight wire. The magnetic field established around it has its lines of force:

Question # 18

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

Question # 19

The unit of flux density is also given by

Question # 20

The SI unit of magnetic flux is

Question # 21

Magnetic induction is also called as:

Question # 22

magnetic field is a:

Question # 23

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

Question # 24

The unit of magnetic flux is

Question # 25

The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon

Question # 26

Galvanometer is a device used for the detection of

Question # 27

How many number of anodes used in electron gun

Question # 28

The strength of magnetic field around the current conductor is

Question # 29

Method "lamp and scale arrangement" used to measure the

Question # 30

A shunt resistance parallel to the galvanometer is used to convert it 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 A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
A. Zero
B. 105 m
C. 10-10N
D. 108N
2 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
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
3 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
4 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
5

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
6 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
7 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
8 '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
9 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
10 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A

Test Questions

Is this page helpful?