Coil Of Nichrome Wire Is 25

A coil of Nichrome wire is 25.0 m long. The wire has a diameter of 0.400 mm and is at 20.0°C. If it carries a current of 0.500 A, what are
(a) The magnitude of the electric field in the wire, and
(b) The power delivered to it?
(c) What If? If the temperature is increased to 340°C and the voltage across the wire remains constant, what is the power delivered?

Posted in Uncategorized