Energy of a Capacitor: Difference between revisions

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https://www.khanacademy.org/science/physics/circuits-topic/circuits-with-capacitors/v/energy-capacitor
https://www.khanacademy.org/science/physics/circuits-topic/circuits-with-capacitors/v/energy-capacitor
Take a 3000F capacitor at 2.7V -
E=1/2 3000 *7.3= 11kJ. If released over 1 second - with is 11kW!
If released over 30 seconds for passing a car - gives you 370Watts. That's not bad.

Revision as of 02:55, 23 January 2018

E=1/2 CV^2

https://www.khanacademy.org/science/physics/circuits-topic/circuits-with-capacitors/v/energy-capacitor

Take a 3000F capacitor at 2.7V -

E=1/2 3000 *7.3= 11kJ. If released over 1 second - with is 11kW!

If released over 30 seconds for passing a car - gives you 370Watts. That's not bad.