Current Electricity Charging Discharging Of Capacitors Question 83
Question: The chemical equivalent of silver is 108. If the current in a silver voltameter is 2 Amp., the time required to deposit 27 grams of silver will be
[MP PMT 2004]
Options:
A) 8.57 hrs
B) 6.70 hrs
C) 3.35 hrs
D) 12.50 hrs
Show Answer
Answer:
Correct Answer: C
Solution:
m = Zi t
Therefore $ t=\frac{m}{Zi}=\frac{m\times F}{E\times i} $
$ ( \because ,Z=\frac{E}{F} ) $
$ t=\frac{27\times 96500}{108\times 2}=12062.5,\sec $
$ =\frac{12062.5}{3600}hr=3.35,hr $
BETA
