MEDIUM

NEET

IMPORTANT

Earn 100

A positive charge $q$ is placed at the centre of a neutral hollow cylindrical conducting shell with its cross section as shown in the figure below.

Which one of the following figures correctly indicates the induced charge distribution in the conductor (ignore edge effects).

28.57% studentsanswered this correctly

Important Questions on Electrostatics

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 28

For the hollow thin cylinderical current carrying pipe which statement is correct :-

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 29

Two identical electric point dipoles have dipole have dipole moments

{\vec{p}}_{1} = p \hat{i}

and

{\vec{p}}_{2} = - p \hat{i}

and are held on the

x

-axis at distance '

a

' from each other. When released, they move along the

x

-axis with the direction of their dipole moments remaining unchanged. If the mass of each dipole is '

m

', their speed when they are infinitely far apart is :

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 30

An electric dipole consists of two opposite charges, each of magnitude

1.0 μC

separated by a distance of

2.0 cm .

The dipole is placed in an external field of

10^{5} {NC}^{- 1}

The maximum torque on the dipole is

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 31

Shown in the figure are two point charges

+ Q

and

- Q

inside the cavity of a spherical shell. The charges are kept near the surface of the cavity on opposite sides of the centre of the shell. If

σ_{1}

is the surface charge on the inner surface and

Q_{1}

net charge on it and

σ_{2}

the surface charge on the outer surface and

Q_{2}

net charge on it then:

Question Image

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 32

Arrangement of charges are shown in the figure. Flux linked with the closed surface $P$ and $Q$ respectively are ________ and ________ .

Question Image

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 33

The equivalent capacitance of three capacitors of capacitance

C_{1}, C_{2}

and

C_{3}

are connected in parallel is

12 units

and product

C_{1} \cdot C_{2} \cdot C_{3} = 48 units

. When the capacitors

C_{1}

and

C_{2}

are connected in parallel, the equivalent capacitance is

6 units

. Then the capacitances are

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 34

A parallel plate capacitor having plates of area $S$ and plate separation $d$ , has the capacitance $C_{1}$ in air. When two dielectrics of different relative permittivity $(ε_{1} = 2 and ε_{2} = 4)$ are introduced between the two plates as shown in the figure, the capacitance becomes $C_{2}$ . The ratio $\frac{C_{2}}{C_{1}}$ is,

Question Image

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 12 - Electrostatics>Level 3>Q 35

In the figure is shown a system of four capacitors connected across a $10 V$ battery. The charge that will flow from switch S when it is closed is:
Question Image

A positive charge q is placed at the centre of a neutral hollow cylindrical conducting shell with its cross section as shown in the figure below. Which one of the following figures correctly indicates the induced charge distribution in the conductor (ignore edge effects).

Important Questions on Electrostatics

Learn and Prepare for any exam you want !

A positive charge $q$ is placed at the centre of a neutral hollow cylindrical conducting shell with its cross section as shown in the figure below.

Which one of the following figures correctly indicates the induced charge distribution in the conductor (ignore edge effects).