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Q. |
In resistance welding, between the electrodes, the nature of current and voltage parameters being used? |
A. | high current, high voltage |
B. | low current, high voltage |
C. | low current, low voltage |
D. | high current, low voltage |
Answer» D. high current, low voltage | |
Explanation: high current produces more heat. when we use a low voltage power source, it allows a welder to have some reasonable over the small lighting bolts we use to fuse metal together. |
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