The Student Room Group
Reply 1
Does anyone know anything on capacitors no one seems to reply...! to these posts


Thanks
Reply 2
Energy = 1/2 C V ^2 or 1/2 Q^2 / C

Look at the second equation - If Q is the same then the big capacitor has less energy

Inthe first equation, although C maybe bigger, V is smaller and because V is squared, energy is less overall.

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