Question

1.
The resistivity of a material of a
potentiometer wire is 5 x 10-6m
and its area of cross section is 5 x 10-
6 m². If 0.2 A current is flowing
through the wire, then the potential
drop per metre length of the wire is
-1
(a) 0.1 V m-
(c) 0.25 V m-
(e) 0.01 V m
(b) 0.5 V m
(d) 0.2 V m
[Kerala Med. 2015)​

Answer 1

Answer:

answer for the question is a