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

The gavanometer constant of a moving coil galvanometer is given by

Question # 2

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

Question # 3

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 4

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

Question # 5

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

Question # 6

The unit of magnetic flux is

Question # 7

Magnetic lines of force:

Question # 8

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

Question # 9

Method "lamp and scale arrangement" used to measure the

Question # 10

The force acting on a charge moving in a magnetic field

Question # 11

Flurescent screen is a screen where visible spot

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The current is measured in

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
2 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
3 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
4 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
5 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
6 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
7 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
8 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
9 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
10 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

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