A 2kW resistance heater wire whose thermal conductivity is K

Last updated: 6/1/2023

A 2kW resistance heater wire whose thermal conductivity is K 15 w m k has a diameter of D 4 mm and a length of L 0 5 m and is used to boil water see fig If the outer surface temperature of the resistance wire is Ts 105 C determine the temperature in C at the centre of the wire Assume radial heat flow Consider a following nuclear reaction D 9mm T 105 C