Current Electricity Charging Discharging Of Capacitors Question 402
Question: Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10 W when a potential difference of 20 V is applied between its ends
[Kerala (Engg.) 2001]
Options:
A) 120 C
B) 240 C
C) 20 C
D) 4 C
Show Answer
Answer:
Correct Answer: B
Solution:
$ i=\frac{V}{R}=\frac{Q}{t}\Rightarrow Q=\frac{Vt}{R}=\frac{20\times 2\times 60}{10}=240,C $ .