In a copper voltmeter , if the current ( and time variations of the type as shown in figure, the mass deposited in 30 min is [Atomic weight of copper is 63.5 and Faraday constant is 96500 C per g equivalent] |
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a) |
0.078 g |
b) |
0.054 g |
c) |
0.039 g |
d) |
0.0195 g |
In a copper voltmeter , if the current ( and time variations of the type as shown in figure, the mass deposited in 30 min is [Atomic weight of copper is 63.5 and Faraday constant is 96500 C per g equivalent] |
|||||||
a) |
0.078 g |
b) |
0.054 g |
c) |
0.039 g |
d) |
0.0195 g |
(c) Charge flowing in 30 min, area under graph C g |