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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



Question ID - 150389 | SaraNextGen Top Answer

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

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Charge flowing in 30 min,

 area under graph

C

 g

127 votes


127