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

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ECAT Pre General Science Physics Chapter 14 Electromagnetism

00:00
Question # 1

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

Question # 2

The sources of magnetic field are

Question # 3

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

Question # 4

A solenoid is a coil of wire which is:

Question # 5

NmA-1 is commonly called:

Question # 6

The angle of deflection of coil can be measured by the

Question # 7

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

Question # 8

Centripetal force for electron is given by

Question # 9

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 10

Current is measured in

Question # 11

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 12

A galvanometer is an instrument used to

Question # 13

The most suitable material for permanent magnet is

Question # 14

The force acting on a charge moving in a magnetic field

Question # 15

Tesla is the unit of

Question # 16

Weber is a unit of

Question # 17

The direction of lines of force depends upon the direction of

Question # 18

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 19

The voltage increases linearly with

Question # 20

The CRO is used for displaying the waveform of a given

Question # 21

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

Question # 22

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 # 23

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

Question # 24

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 25

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 # 26

Ammeter is used to measure

Question # 27

If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is

Question # 28

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 29

A field is uniform and much stronger:

Question # 30

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
2 In order to make a voltmeter, high resistance is connected with galvanometer, in
A. perpendicular
B. may be paralled or pendicular
C. series
D. none of these
3 A solenoid is a coil of wire which is:
A.

Short, loosely wound, cylindrical

B.

Long, tightly wound, spherical

C.

Long, loosely wound, cylindrical

D.

Long, tightly wound, cylindrical
4

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
5 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
6 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
7 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
8 The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by
A. F =q(v/B)
B. F=q2(v x B)
C. F=q(v x B)
D. F= vx B
9 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
10 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero

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