PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
A wire has a constant resistance. If the potential difference across it is increased from 3V to 6V, how will the current through the wire change?
(a) It becomes 1.5 times the original value.
(b) It becomes double the original value.
(c) It remains unchanged.
(d) It becomes half of the original value.