# Finding the Capacitor Voltage

Problem also in attached file.

The energy stored by a 1 mf capacitor used in a laser power supply is given as W=4e(-10t) J for T>=0. find the capacitor voltage at T=0.1 sec.

A) 0.60V

B) 1.5V

C) 54.2V

D) 89.4V

https://brainmass.com/engineering/power-engineering/capacitor-voltage-7185

#### Solution Preview

The energy in a capacitor is equal to 0.5 * C * V ^ 2.

At T = 0.1 ...

#### Solution Summary

This solution calculates the capacitor voltage at a certain time given the energy stored in the capacitor at time t = 0.

$2.19