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1. |
What are the values of current densities used in ECM? |
A. | 0.1 to 2 a/cm2 |
B. | 5 to 500 a/cm2 |
C. | 600 to 1000 a/cm2 |
D. | 1200 to 2800 a/cm2 |
Answer» C. 600 to 1000 a/cm2 | |