Try to pull the plates apart...Electricalforceonplate:(Q/ A)T+byplate280R+otherplateWork done by you:++W+plate+This equals the+change in potential△denergy of thesystem,△U
- - - - - - - + + + + + + + Try to pull the plates apart. Eother plate Fby plate Fby you d ( ) 0 by plate 2 Q A F = Q Work done by you: Electrical force on plate: d Q A W Q = 0 2 This equals the change in potential energy of the system, ΔU
Q/ AAdAU =Q28I will now re-write this in a different way
d Q A U Q = 0 2 I will now re-write this in a different way