Current Electricity Charging Discharging Of Capacitors Question 47
Question: For depositing 1 gm of Cu in copper voltameter on passing 2 amperes of current, the time required will be (For copper Z = 0.00033 gm/C)
Options:
A) Approx. 20 minutes
B) Approx. 25 minutes
C) Approx. 30 minutes
D) Approx. 35 minutes
Show Answer
Answer:
Correct Answer: B
Solution:
$ m=Zi,t $
Therefore $ 1=0.00033\times 2\times t $ \ $ t=\frac{1}{0.00066\times 60}min=\frac{100000}{3960}\approx 25,min $
BETA
