Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 20

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If an electron is placed in a uniform electric field, then the electron will:

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Important Questions on Electrostatics

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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 21

If

Q = 2

C

and force on it is

F = 100

N

, then the value of field intensity will be:

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

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:

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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:

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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 -

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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-

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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}) -

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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 -

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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 -