Current Electricity Charging Discharging Of Capacitors Question 79
Question: If a steady current of 4 amp maintained for 40 minutes, deposits 4.5 gm of zinc at the cathode and then the electro chemical equivalent will be
[MH CET 2003]
Options:
A) $ 51\times {{10}^{-17}},gm/C $
B) $ 28\times {{10}^{-6}},gm/C $
C) $ 32\times {{10}^{-5}},gm/C $
D) $ 47\times {{10}^{-5}},gm/C $
Show Answer
Answer:
Correct Answer: D
Solution:
$ m=Zi,t $
Therefore $ Z=\frac{m}{i,t}=\frac{4.5}{4\times 40\times 60}=47\times {{10}^{-5}},g/C $
BETA
