The Current Through a Certain Heater Wire Is Found to Be

Multiple Choice

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.
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.