- #1
Gspace
- 18
- 0
Homework Statement
When a condenser discharges electricity, the instantaneous rate of change of the voltage is proportional to the voltage in the condenser. Suppose you have a discharging condenser and the instantaneous rate of change of the voltage is -0.01 of the voltage (in volts per second). How many seconds does it take for the voltage to decrease by 90%?
Homework Equations
E^rt
The Attempt at a Solution
E^(-0.01(0.90))=0.99104
Help Please!