(D) $1$. By definition,an earthed conductor always has a potential of $0 \ V$. Therefore,statement $(B)$ is true.$2$. When a charged object $A$ is pla

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(D) $1$. By definition,an earthed conductor always has a potential of $0 \ V$. Therefore,statement $(B)$ is true.$2$. When a charged object $A$ is placed near another conductor $B$,the electric field of $A$ induces charges on $B$. Due to the presence of the electric field of $A$,the charge on $A$ will be attracted towards the side facing $B$,causing the charge distribution on $A$ to become non-uniform. Therefore,statement $(D)$ is true.$3$. Since statement $(B)$ and $(D)$ are correct,the correct option is $(D)$.

Class 12 Physics Electrostatic Potential and Capacitance Conductor, Electrostatic Shielding, Induced Charge and Charge Redistribution on conductor

Medium

Two spheres $A$ and $B$ are kept very near to each other. $A$ is negatively charged and $B$ is earthed. The true statement is:
$(A)$ Charge on $B$ is zero
$(B)$ Potential at $B$ is zero
$(C)$ Charge is uniformly distributed on $A$
$(D)$ Charge is non-uniformly distributed on $A$

A
$A$ and $C$
B
$A$ and $D$
C
$B$ and $C$
D
$B$ and $D$

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Class 12 Questions

Class 12

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Chapter

Electrostatic Potential and Capacitance

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Conductor, Electrostatic Shielding, Induced Charge and Charge Redistribution on conductor

Two metal spheres of radius $R$ and $3R$ have the same surface charge density $\sigma$. If they are brought in contact and then separated, the surface charge density on the smaller and bigger sphere becomes $\sigma_1$ and $\sigma_2$, respectively. The ratio $\frac{\sigma_1}{\sigma_2}$ is:

DifficultMHT CET 2026

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Two isolated metallic solid spheres of radii $R$ and $2R$ are charged such that both have the same charge density $\sigma$. The spheres are then connected by a thin conducting wire. If the new charge density of the bigger sphere is $\sigma^{\prime}$,then the ratio $\frac{\sigma^{\prime}}{\sigma}$ is:

MediumJEE MAIN 2023

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Which of the following statements is $NOT$ true for a charged conducting sphere?

Easy

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$A$ thin metallic spherical shell contains a charge $Q$ on it. $A$ point charge $+q$ is placed at the centre of the shell and another charge $q'$ is placed outside it as shown in the figure. All the three charges are positive. The force on the central charge due to the shell is:

Medium

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For a spherical shell,which of the following statements is correct?

Medium

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Two spheres $A$ and $B$ are kept very near to each other. $A$ is negatively charged and $B$ is earthed. The true statement is:$(A)$ Charge on $B$ is zero$(B)$ Potential at $B$ is zero$(C)$ Charge is uniformly distributed on $A$$(D)$ Charge is non-uniformly distributed on $A$

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Two metal spheres of radius $R$ and $3R$ have the same surface charge density $\sigma$. If they are brought in contact and then separated, the surface charge density on the smaller and bigger sphere becomes $\sigma_1$ and $\sigma_2$, respectively. The ratio $\frac{\sigma_1}{\sigma_2}$ is:

Which of the following statements is $NOT$ true for a charged conducting sphere?

$A$ thin metallic spherical shell contains a charge $Q$ on it. $A$ point charge $+q$ is placed at the centre of the shell and another charge $q'$ is placed outside it as shown in the figure. All the three charges are positive. The force on the central charge due to the shell is:

For a spherical shell,which of the following statements is correct?

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Two spheres $A$ and $B$ are kept very near to each other. $A$ is negatively charged and $B$ is earthed. The true statement is:
$(A)$ Charge on $B$ is zero
$(B)$ Potential at $B$ is zero
$(C)$ Charge is uniformly distributed on $A$
$(D)$ Charge is non-uniformly distributed on $A$