Question

Estimate the heat generated at the joint, while joining 2 metal sheets having a thickness of 1.5
mm each, using Resistance spot welding. A 6000 A current is applied through the joint having a
total resistance of 300 micro ohms. It is found that current flow is applied for 0.15 seconds.
A- 162 J
B- 16200 J
C-1620 J
D- None of the above.​

Answer 1

Answer:

D is the answer ok mam friend