Question:

Among the following, the correct graphical representation of electric intensity as a function of distance from the centre of a uniformly charged conducting sphere is shown in

Updated On: Jun 23, 2023
  • A
  • B
  • C
  • D
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The Correct Option is B

Solution and Explanation

Electric field due to a uniformly charged conducting sphere of radius R is given by
$E = \begin{cases}
0 &; r \leq R \\
\frac{q}{4 \pi \varepsilon_0 r} & ;r > R
\end{cases} $
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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.