Question:

Given below are two statements : One is labelled as Assertion $A$ and the other is labelled as Reason R 
Assertion A : Two metallic spheres are charged to the same potential One of them is hollow and another is solid, and both have the same radii Solid sphere will have lower charge than the hollow one 
Reason R : Capacitance of metallic spheres depend on the radii of spheres 
In the light of the above statements, choose the correct answer from the options given belows

Updated On: Sep 24, 2024
  • Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
  • Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
  • A is true but $R$ is false
  • A is false but $R$ is true
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The Correct Option is D

Solution and Explanation

Potential of a conducting sphere is
(Solid as well as hollow)
and
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Questions Asked in JEE Main exam

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Concepts Used:

Electric charges and field

What is Electric Charge

It is the property of subatomic particles that experiences a force when put in an electric and magnetic field.

What is Electric Field

It is a property associated with each point in space when charge is present in any form. The magnitude and direction of the electric field are expressed by E, called electric field strength or electric field intensity.

Electric charges are of two types: Positive and Negative. It is commonly carried by charge carriers protons and electrons.

Properties of Electric Charge

Various properties of charge include the following :-

Types of electric charge

Two kinds of electric charges are there :-

Negative Charge - When an object has a negative charge it means that it has more electrons than protons.

Positive Charge - When an object has a positive charge it means that it has more protons than electrons.

When there is an identical number of positive and negative charges, the negative and positive charges would cancel out each other and the object would become neutral.