7395
Physics Current Electricity Level: Misc Level
The current through a certain heater wire is found to be fairly independent of its temperature. If the current through the heater wire is doubled, the amount of energy delivered by the heater in a given time interval will
(a)increase by a factor of two<----my answer
(b) decrease by a factor of two
(c) increase by a factor of four
(d) decrease by a factor of four
(e) increase by a factor of eight