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				| 1. | In a copper voltameter, mass deposited in 30 second is m gm. If the time-current graph is as shown in figure, ECE of copper is | 
| A. | m | 
| B. | \[m/2\] | 
| C. | + 0. 8D | 
| D. | 0.6 m | 
| Answer» C. + 0. 8D | |