Question

can anybody .. can explain the ohm's law

Answer 1

Ohm's law is
v=iR

Answer 2

Can u tell me
v,i,R mean for?

Answer 3

the potential difference between two points in a conducting wire refers to how much difference in charges + and _ in these two points and thats what called voltage or v.
the current is simply the change of the charge over time, and thats the I.
the risistance is the thing that resists the flow of charge through it and the relationship between the three is V=IR