Two steel sheets of 2 mm thickness are to be spot welded at a current of 6000 A. Assuming effective resistance to be 150 × 10-6 ohms and current flow time of 0.2 second. What will be the heat generated during the process?
1
1300 Joules
2
980 Joules
3
1180 Joules
4
1080 Joules