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 experienced by charged particle is maximum, if it moves

Question # 2

Avo-meter is used of measure the

Question # 3

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

Question # 4

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 5

magnetic field is a:

Question # 6

A resistance used in galvanometer to make it voltmeter is called

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

In a moving coil galvanometer, the deflecting couple depends upon

Question # 12

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

Question # 13

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 # 14

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

Question # 15

Magnetic lines of force:

Question # 16

In the region surrounding a current carrying wire:

Question # 17

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:

Question # 18

A galvanometer is an instrument used to

Question # 19

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 # 20

The magnetic field outside the solenoid due to current is

Question # 21

Tesla is the unit of

Question # 22

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

Question # 23

Lorentz force is defined as

Question # 24

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 25

The sources of magnetic field are

Question # 26

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 27

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 # 28

The SI unit of magnetic flux is.

Question # 29

Method "lamp and scale arrangement" used to measure the

Question # 30

The strength of magnetic field around the current 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 A full-scale deflection is obtained in a galvanometer with a current of few
A. ampere
B. volts
C. milliampere
D. ohm
2 When some compass needles are placed on a card board along a circle with the center at the wire, they will
A.

Point the direction of N-S

B.

Set themselves tangential to the circle

C.

Point in the direction of E-W

D.

None of these
3 When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is
A. 90°
B. 75°
C. 0°
D. 180°
4 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
5 The force acting on a charge moving in a magnetic field
A. is perpendicular to the both magnetic field and direction of motion
B. is proportional to the magnetic of charges
C. vanishes when the motion is directly opposite to the direction of field
D. all of the above
6 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
7 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
8 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
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 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!