(B) When two charged conducting spheres are brought into contact,charge flows from the sphere at a higher potential to the sphere at a lower potential

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The total charge on the two spheres is conserved.

(B) When two charged conducting spheres are brought into contact,charge flows from the sphere at a higher potential to the sphere at a lower potential until they reach a common potential. According to the law of conservation of charge,the total charge of an isolated system remains constant. However,energy is not conserved because some energy is dissipated as heat or electromagnetic radiation during the charge redistribution process. Therefore,only the total charge is conserved.

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

Easy

If two conducting spheres are separately charged and then brought in contact,which of the following statements is true?

A
The total energy of the two spheres is conserved.
B
The total charge on the two spheres is conserved.
C
Both the total energy and charge are conserved.
D
The final potential is always the mean of the original potentials of the two spheres.

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Electric Potential and Capacitance

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

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$A$ charge of $Q$ coulomb is placed on a solid piece of metal of irregular shape. The charge will distribute itself:

Easy

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$A$ solid spherical conducting shell has inner radius $a$ and outer radius $2a$. At the center of the shell, a point charge $+Q$ is located. What must the charge of the shell be in order for the charge density on the inner and outer surfaces of the shell to be exactly equal?

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Two metal spheres,one of radius $R$ and the other of radius $2R$,respectively,have the same surface charge density $\sigma$. They are brought in contact and separated. What will be the new surface charge densities on them?

MediumNEET 2019

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If two conducting spheres are separately charged and then brought in contact,which of the following statements is true?

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"The electric field inside the hollow region of a conductor in a uniform electric field is zero". Explain.

Two isolated metallic 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 larger sphere is $\sigma_1$. The ratio $\sigma_1$ to $\sigma$ is

$A$ charge of $Q$ coulomb is placed on a solid piece of metal of irregular shape. The charge will distribute itself:

$A$ solid spherical conducting shell has inner radius $a$ and outer radius $2a$. At the center of the shell, a point charge $+Q$ is located. What must the charge of the shell be in order for the charge density on the inner and outer surfaces of the shell to be exactly equal?

Two metal spheres,one of radius $R$ and the other of radius $2R$,respectively,have the same surface charge density $\sigma$. They are brought in contact and separated. What will be the new surface charge densities on them?

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