For a point charge, how does the potential vary with distance from the point charge, r?
a constant
b. r.
c. 1/r.
d. [tex]1/r^2[/tex].
e. [tex]r^2[/tex].
Answer:
The correct option is C
Explanation:
Generally for a point charge the electric potential is mathematically represented as
[tex]V = \frac{k Q }{r }[/tex]
Here we can deduce that the electric potential varies inversely with the distance i.e
[tex]V \ \alpha \ \frac{1}{r}[/tex]
So
The potential should vary with distance from the point charge r should be option c. 1/r.
The point charge with respect to the electric potential should be expressed in
V = KQ/r
Here we can say that the electric potential should be varied oppositely with the distance
Here is the electric file with respect to the point charge should be obtained from the Coulomb law. It should be radially outward from the point charge in all types of directions.
Therefore, the option c is correct.
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