The following 4 questions should be completed before the class. 1. The current through a 2 µF capacitor is shown below. At t = 0 ms, the voltage is 20 V. Sketch the voltage, power, and stored energy to scale versus time. How much energy is stored in the capacitor at time t = 3ms? At this time, t = 3ms, is the capacitor storing or generating energy? v(t) i(t) C = 2 μF i(t) (mA) 15 t (ms)

The following 4 questions should be completed before the class. 1. The current through a 2 µF capacitor is shown below. At t = 0 ms, the voltage is 20 V. Sketch the voltage, power, and stored energy to scale versus time. How much energy is stored in the capacitor at time t = 3ms? At this time, t = 3ms, is the capacitor storing or generating energy? v(t) i(t) C = 2 μF i(t) (mA) 15 t (ms)

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 4RQ: 4. In what form is the energy of a capacitor stored?

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Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

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