Why can we say that charge of any body is always an integral multiple of $'e'$ ?
Why can we say that charge of any body is always an integral multiple of $'e'$ ?
If the protons and electrons are the only basic charges in the universe, all the observable charges have to be integral multiples of $e$.
If a body contains $n_{1}$ electrons and $n_{2}$ protons, the total amount of charge on the body is $n_{2} e+$ $n_{1}(-e)=\left(n_{2}-n_{1}\right) e$
where $n_{1}$ and $n_{2}$ is integral multiples.
and their difference $=n_{2} e-n_{1}(-e)$
$=\left(n_{2}+n_{1}\right) e$ also an integer
Thus, the charge on any body is always an integral multiple of $e$ and can be increased or decreased also in steps of $e$.
Similar Questions
What is called earthing ? Give importance of earthing in wiring.
What is called earthing ? Give importance of earthing in wiring.
Two objects are rubbed against each other, the nature of electric force, when they are placed at some distance is
Two objects are rubbed against each other, the nature of electric force, when they are placed at some distance is
From what the name electricity is coined ? Explain its meaning.
From what the name electricity is coined ? Explain its meaning.
Mention types of methods of charging the body.
Mention types of methods of charging the body.
A charged metallic sphere $A$ is suspended by a riylon thread. Another charged metallic sphere $B$ held by an insulating handle is brought close to $A$ such that the distance between their centres is $10 \,cm ,$ as shown in Figure $(a) .$ The resulting repulsion of $A$ is noted (for example, by shining a beam of light and measuring the deflection of its shadow on a screen). Spheres $A$ and $B$ are touched by uncharged spheres $C$ and $D$ respectively. as shown in Figure $(b)$ $C$ and $D$ are then removed and $B$ is brought closer to $A$ to a distance of $5.0 \,cm$ between their centres, as shown in Figure $(c)$ What is the expected repulsion of A on the basis of Coulomb's law? Spheres $A$ and $C$ and spheres $B$ and $D$ have identical sizes. Ignore the sizes of $A$ and $B$ in comparison to the separation between their centres.
A charged metallic sphere $A$ is suspended by a riylon thread. Another charged metallic sphere $B$ held by an insulating handle is brought close to $A$ such that the distance between their centres is $10 \,cm ,$ as shown in Figure $(a) .$ The resulting repulsion of $A$ is noted (for example, by shining a beam of light and measuring the deflection of its shadow on a screen). Spheres $A$ and $B$ are touched by uncharged spheres $C$ and $D$ respectively. as shown in Figure $(b)$ $C$ and $D$ are then removed and $B$ is brought closer to $A$ to a distance of $5.0 \,cm$ between their centres, as shown in Figure $(c)$ What is the expected repulsion of A on the basis of Coulomb's law? Spheres $A$ and $C$ and spheres $B$ and $D$ have identical sizes. Ignore the sizes of $A$ and $B$ in comparison to the separation between their centres.