- #1

- 564

- 1

## Homework Statement

http://img5.imageshack.us/img5/8553/halflifei.th.jpg [Broken]

I need to find the half life time of a capacitor and the equation is above.. I know what C is but I don't know R.. is there a way to calculate R in this case?

## Homework Equations

## The Attempt at a Solution

Last edited by a moderator: