Nichrome wire is used in some radiative heaters.
(a) Find the resistance needed if the average power output is to be 1.15 kW utilizing 120 V AC.
(b) What length of Nichrome wire, having a cross-sectional area of 5.15 mm2, is needed if the operating temperature is 500°C?
m
(c) What power will it draw when first switched on?
kW