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 strength of magnetic field around the current conductor is

Question # 2

A field is uniform and much stronger:

Question # 3

Lorentz force is defined as

Question # 4

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 5

A solenoid is a coil of wire which is:

Question # 6

The unit of magnetic flux is

Question # 7

The CRO is used for displaying the waveform of a given

Question # 8

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 9

The SI unit of flux density is

Question # 10

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 # 11

In the region surrounding a current carrying wire:

Question # 12

Magnetic flux and flux density are related by

Question # 13

Which one of the following relations is correct?

Question # 14

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

Question # 15

In the formula B= µ̻ nl, the symbol n denotes:

Question # 16

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 # 17

The vector representation of force experience give the direction of

Question # 18

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 19

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

Question # 20

The SI unit of magnetic flux is.

Question # 21

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

Question # 22

A beam of electrons is provided by an

Question # 23

The angle of deflection of coil can be measured by the

Question # 24

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

Question # 25

A resistance used in galvanometer to make it voltmeter is called

Question # 26

A resistance used in voltmeter is called

Question # 27

The pointer of a magnetic compass:

Question # 28

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

Question # 29

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

Question # 30

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:

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 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
2 The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
A. parallel to the field
B. Perpendicular to the field
C. At an angle of 45 to the field
D. None of the above
3 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
4 The SI unit of magnetic induction is tesla which is equal to
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
5 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
6 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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
7 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
8 if the field is directed along the normal to the area, then flux is:
A.

Maximum

B.

Equal to zero

C.

Equal to BA

D.

Minimum
9 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
10 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

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!