EASY

NEET

IMPORTANT

Earn 100

Two charges $10 μC$ and $- 10 μC$ are placed at points A and B separated by a distance of $10 cm$ . Find the electric field at a point P on the perpendicular bisector of AB, at a distance of $12 cm$ from its mid-point.

27.27% studentsanswered this correctly

Important Questions on Electrostatics

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 102

An electric dipole of dipole moment

\vec{P}

is placed parallel to the uniform electric field of intensity

\vec{E} .

On rotating it through

180 °,

the amount of work done is _______.

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 103

An electric dipole of moment

' p'

is placed in an electric field of intensity

' E'

. The dipole acquires a position such that the axis of the dipole makes an angle

θ

with the direction of the field. Assuming that the potential energy of the dipole to be zero when

θ = 90 °

, the torque and the potential energy of the dipole will respectively be

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 104

Consider two concentric spherical surfaces

S_{1}

with radius

a

and

S_{2}

with radius

2 a

, both centred at the origin. There is a charge

+ q

at the origin and there are no other charges. Compare the flux

ϕ_{1}

, through

S_{1}

with the flux

ϕ_{2}

, through

S_{2}

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 105

E = (\hat{i} + \sqrt{2} \hat{j} + \sqrt{3} \hat{k}) V m^{- 1}

, then the electric flux through a surface area of

100 m^{2}

lying in the

x y

plane is (in

V m

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 106

A point charge

q

is placed near a hemispherical surface without base, cylindrical surface with one end open, spherical surface, and hemispherical surface with the base as shown in the figures in

a, b, c

and

d

respectively. In which of the following cases, the flux crossing through the surface is zero?

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 107

The inward and outward electric flux for a closed surface in units of

N m^{2} C^{- 1}

are

8 \times 10^{3}

and

4 \times 10^{3}

, respectively. Then, the total charge inside the surface is (where,

ε_{0} =

permittivity constant),

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 108

In a region of space, the electric field is in the

x

-direction and proportional to

x

, i.e.,

\vec{E} = E_{0} x \hat{i}

. Consider an imaginary cubical volume of edge

a

with its edges parallel to the axes of coordinates. The charge inside this volume will be,

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 1>Q 109

A charged ball $B$ hangs from a silk thread $S$ , which makes an angle $θ$ with a large charged conducting sheet $P$ , as shown in the figure. The surface charge density $σ$ of the sheet is proportional to,

Question Image

Two charges 10 μC and -10 μC are placed at points A and B separated by a distance of 10 cm. Find the electric field at a point P on the perpendicular bisector of AB, at a distance of 12 cm from its mid-point.

Important Questions on Electrostatics

Learn and Prepare for any exam you want !

Two charges $10 μC$ and $- 10 μC$ are placed at points A and B separated by a distance of $10 cm$ . Find the electric field at a point P on the perpendicular bisector of AB, at a distance of $12 cm$ from its mid-point.