TS EAMCET 9-Sep-2020 Shift 1 Solved Paper

A circular wire has current density J=(2×1010A/m2)r2 where 1 is the radial distance, out of the wire radius is 2 mm. The end-to-end potential applied to the wire is 50 V. How much energy (in joule) is converted to thermal energy in 100 s?