ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

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ECAT Physics Chapter 14 Electromagnetism

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Question # 1

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 2

The magnetic field outside the solenoid due to current is

Question # 3

The SI unit of magnetic flux is

Question # 4

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

Question # 5

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 6

The field around a moving charge is called

Question # 7

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 # 8

The voltage increases linearly with

Question # 9

Magnetic flux and flux density are related by

Question # 10

Magnetic lines of force:

Question # 11

A voltmeter is used to measure the

Question # 12

The most suitable material for permanent magnet is

Question # 13

The unit of magnetic flux is

Question # 14

F = I(L x B) is a

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
2 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
3 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
4 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
5 Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
6 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
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance
7 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
8 In the region surrounding a current carrying wire:
A. A magnetic field is setup

B.

The lines of force are elliptical

C.

Direction of lines of forces depends upon direction of current

D.

Both (A) and (C)
9 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
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

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