1.

Silver and copper voltameter are connected in parallel with a battery of e.m.f. 12 V. In 30 minutes, 1 gm of silver and 1.8 gm of copper are liberated. The power supplied by the battery is                                      [IIT 1975]

A.                    24.13 J/sec                     
B.                    2.413 J/sec
C.                    0.2413 J/sec                  
D.                    2413 J/sec \[({{Z}_{Cu}}=6.6\times {{10}^{-4}}gm/C\] and \[{{Z}_{Ag}}=11.2\times {{10}^{-4}}\,gm/C)\]
Answer» B.                    2.413 J/sec


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