Mathematics · Electric Welding
A resistance welding machine is used to weld two steel plates. A current of 5000 A flows through the weld. If the resistance of the weld joint is 150 μΩ, what is the heat generated at the weld in 0.5 seconds?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.5 kJ
- 21.875 kJ✓
- 30.75 kJ
- 43.75 kJ
Correct answer
1.875 kJ
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