A uniform wire of resistance is stretched without breaking so that its length becomes…
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
A uniform wire of resistance R0 is stretched without breaking so that its length becomes three times the original length, the volume remaining constant. What is the new resistance of the wire?
(a) 3R0
(b) 3R0
(c) 9R0
(d) R0