A) 5 min 20 sec
B) 6 min 42 sec
C) 4 min 40 sec
D) 5 min 50 sec
Correct Answer: B
Solution :
\[m=Z\,i\,t\] Þ \[20\times {{10}^{-3}}=\left( \frac{32}{96500} \right)\,\times 0.15\times t\] \[=6.7\,min=6\,min.42\,sec\]You need to login to perform this action.
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