Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 22

EASY

NEET

IMPORTANT

Earn 100

Two infinite linear charges are placed parallel at $0.1 m$ apart If each has charge density of $5 μ C m^{- 1},$ then the force per unit length of one of the linear charges in $N m^{- 1}$ is:

20% studentsanswered this correctly

Important Questions on Electrostatics

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 23

The electric field intensity due to a uniformly charged sphere is zero:

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 24

Two spheres of radii

2 cm

and

4 cm

are charged equally, then the ratio of charge density on the surfaces of the spheres will be -

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 25

Total charge on a sphere of radii

10 cm

is

1 μ C .

The maximum electric field due to the sphere in

N C^{- 1}

will be-

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 26

A charged water drop of radius

0.1 μm

is under equilibrium in some electric field. The charge on the drop is equivalent to electronic charge The intensity of electric field is

(g = 10 m s^{- 2}) -

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 27

Two large sized charged plates have a charge. density of

+ σ

and

- σ .

The_resultant force on the proton located midway between them will be -

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 28

Two parallel charged plates have a charge density

+ σ

and

- σ .

The resultant force on the proton located outside the plates at some distance will be -

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 29

The charge density of an insulating infinite surface is

(\frac{e}{π}) C m^{- 2}

then the field intensity at a nearby point in volt/meter will be -

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 30

There is a uniform electric field in

X

-direction. If the work done by an external agent in moving a charge of

0.2 C

through a distance of

2 m

slowly along the line making an angle of

60 °

with

X

-direction is

4 joule

, then the magnitude of

E

is