For a certain material kept at constant temperature
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
For a certain material kept at constant temperature, the potential difference is increased from 2V to 6V and the current rises from 1A to 3A. How should this material be classified?
(a) Non-ohmic conductor; its resistance decreases with voltage
(b) Classification impossible with the given data
(c) Non-ohmic conductor; its resistance increases with voltage
(d) Ohmic conductor; its resistance remains constant