A metallic wire is stretched uniformly to twice its original length without any loss…
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
A metallic wire is stretched uniformly to twice its original length without any loss of material. Which statement correctly describes the change in its resistance?
(a) It becomes double the original value
(b) It becomes four times the original value
(c) It remains the same as the original value
(d) It becomes half of the original value