Question

A potential difference between two points of a wire carrying 30mA current is 1.5v. Calculate tje resistance between 2 points

Answer 1

from ohm's rule V= i× R here V is 1.5v and i= 30mA( 30×10^-3A) , ,, 1.5=30×10^-3×R , R= 1.5×1000/30 then R is 50 ohm