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

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Question # 1

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

Question # 2

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

Question # 3

The SI unit of magnetic permeability is

Question # 4

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

Question # 5

The current sensitivity of the galvanometer is

Question # 6

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 # 7

A field is uniform and much stronger:

Question # 8

A long wire wound tightly on a cylindrical core is called:

Question # 9

The force experienced by charged particle is maximum, if it moves

Question # 10

The magnetic field outside the solenoid due to current is

Question # 11

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

Question # 12

The SI unit of magnetic flux is

Question # 13

A current carrying conductor sets up its own:

Question # 14

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 15

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

Question # 16

The unit of flux density is also given by

Question # 17

A galvanometer is an instrument used to

Question # 18

The unit of magnetic flux is

Question # 19

The force acting on a charge moving in a magnetic field

Question # 20

In the expression of force experienced by electron, the direction of both v and B are

Question # 21

CRO deflects the beam of

Question # 22

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

Question # 23

A beam of electrons is provided by an

Question # 24

Galvanometer is a device used for the detection of

Question # 25

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

Question # 26

A charged particle moving at right angle to the magnetic field will experience

Question # 27

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

Question # 28

The torque per unit twist of coil is called

Question # 29

The pointer of a magnetic compass:

Question # 30

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid
2 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
3 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
4 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
5 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
6 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
7 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
8 The SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
9 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
10 Lorentz force is defined as
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)

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