A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long will it take a current of 2A to librate 1.98g of copper in such a process?
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Correct Answer: Option A
Explanation:
0.0033g = 1 coulomb
1.98gs = 1.98 x 1
= 600 cou.
Q = It
600 = 2 x t
t = 300sec = 5 mins
0.0033g = 1 coulomb
1.98gs = 1.98 x 1
= 600 cou.
Q = It
600 = 2 x t
t = 300sec = 5 mins