# Capacitor Current and Energy

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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. what is the capacitor current at T=0.1s.

A) -0.271 KA

B) -0.271 A

C) 0.271 A

D) 1.472 A

https://brainmass.com/engineering/power-engineering/capacitor-current-and-energy-7183

#### Solution Preview

The current flow of a capacitor is I = C * (dV / dT).

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<br>We also know that the energy of a capacitor is equal to 0.5 * C * V ^ 2 and it is given ...

#### Solution Summary

This solution calculates the current of a capacitor based on its capacity and energy storage.

$2.49