0) °C = 847 °C
Thus, the steady temperature of the heating element (when heating
effect due to the current equals heat loss to the surroundings) is
847 °C Rationalised 2023-24
Physics
92
 EXAMPLE 3 4
Example 3 4 The resistance of the platinum wire of a platinum
resistance thermometer at the ice point is 5 W and at steam point is
5