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1. |
In resistance electric welding, the current passed through two joining metal pieces is |
A. | 230 to 440 volts, at a high amperage |
B. | 230 to 440 volts, at a low amperage |
C. | 2 to 8 volts, at a high amperage |
D. | 2 to 8 volts, at a low amperage |
Answer» E. | |