Capacitors: How do they store energy ?

f95toli

You obviously have to connect the two plates first, but once the capacitor is charged you can disconnect it and it will (in an ideal world) maintain its charge indefinitly.

f95toli Recognitions: Gold Member Science Advisor	You obviously have to connect the two plates first, but once the capacitor is charged you can disconnect it and it will (in an ideal world) maintain its charge indefinitly.