A metallic wire is stretched so that its length increases by
PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity
Problem
A metallic wire is stretched so that its length increases by 10%, and there is no loss of material. What is the percentage change in its resistance?
(a) 22% increase
(b) 19% increase
(c) 21% increase
(d) 10% increase