Problem:$14$

A capacitor of capacitance $C$ is discharging through a resistor of resistance $R.$ Affer how many time constants will the energy stored in the capacitor be half its initial value?

a$)0\mathrm{.}23$ z

b$)0\mathrm{.}69$ r

c$)0\mathrm{.}35$ z

d$)2\mathrm{.}00$ r

e$)0\mathrm{.}50$ r

Ans C