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

ECAT Pre General Science Physics Chapter 14 Electromagnetism

00:00
Question # 1

A current carrying conductor sets up its own:

Question # 2

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

Question # 3

The torque per unit twist of coil is called

Question # 4

Magnetic induction is also called as:

Question # 5

The direction of lines of force depends upon the direction of

Question # 6

Amperean path is a:

Question # 7

Weber is a unit of

Question # 8

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

Question # 9

In the region surrounding a current carrying wire:

Question # 10

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

Question # 11

How many number of anodes used in electron gun

Question # 12

Lorentz force is defined as

Question # 13

The SI unit of magnetic flux is.

Question # 14

The CRO is used for displaying the waveform of a given

Question # 15

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 # 16

A galvanometer is an instrument used to

Question # 17

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

Question # 18

In a moving coil galvanometer, the deflecting couple depends upon

Question # 19

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

Question # 20

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 21

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

Question # 22

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

Question # 23

Ammeter is used to measure

Question # 24

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

Question # 25

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

Question # 26

The SI unit of flux density is

Question # 27

Which is modified form of galvanometer

Question # 28

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

Question # 29

A beam of electrons is provided by an

Question # 30

The unit of magnetic flux is

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 14 Electromagnetism MCQs Online With Answers


Topic Test

00:00

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 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
2 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
3 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
4 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
5 For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
A. modification
B. voltage
C. current
D. resistance
6 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
7 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
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 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
10

The pointer of a magnetic compass:

A.

Is affected only by permanent magnets

B.

Align itself parallel to the applied magnetic field

C.

Vibrates in the magnetic field of the current

D.

Aligns itself perpendicular to the magnetic field

Test Questions