1.

A current of 1.5 A flows through a copper voltameter. The thickness of copper deposited on the electrode surface of area \[50\,c{{m}^{2}}\] in 20 minutes will be (Density of copper = 9000 \[kg/{{m}^{3}}\] and E.C.E. of copper = 0.00033 g/C)

A.            \[2.6\times {{10}^{-5}}m\]     
B.            \[2.6\times {{10}^{-4}}m\]
C.            \[1.3\times {{10}^{-5}}m\]     
D.            \[1.3\times {{10}^{-4}}m\]
Answer» D.            \[1.3\times {{10}^{-4}}m\]


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