Current Electricity Charging Discharging Of Capacitors Question 386
Question: 1.6 mA current is flowing in conducting wire then the number of electrons flowing per second is
[RPMT 1999]
Options:
A) $ \text{1}{{0}^{\text{11}}} $
B) $ \text{1}{{0}^{\text{16}}} $
C) $ \text{1}{{0}^{\text{19}}} $
D) $ \text{1}{{0}^{\text{15}}} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ i=\frac{ne}{t} $
Therefore $ n=\frac{it}{e}=\frac{1.6\times {{10}^{-3}}\times 1}{1.6\times {{10}^{-19}}}=10^{16} $ .