A potential difference of 250 V is applied to a metallic

Last updated: 6/9/2023

A potential difference of 250 V is applied to a metallic wire at 15 C when a current of 5 A was flowing What wil be temperature of wire when current has fallen to 3 9 A and applied voltage being constant 21 15 C 1 2 dav 72 C 87 C 105 C 312 C