- #1
indigojoker
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two parallel plates of area A is separated by a distance d. One plate has positive charge distribution with area chrage density [itex]\sigma[/itex] and the other plate has an area charge density [itex]-\sigma[/itex]
how much work does it take to move the plates 2d?
W=Fd=QEd'
i'm not sure what to use for the Q or the E. Should it be for both plates or for just one plate?
Assuming that it's just for one plate, we get: [itex] W = \sigma A \frac{\sigma}{2 \epsilon_o} d' [/itex]
and that would be it right?
then we just let d'=2d
how much work does it take to move the plates 2d?
W=Fd=QEd'
i'm not sure what to use for the Q or the E. Should it be for both plates or for just one plate?
Assuming that it's just for one plate, we get: [itex] W = \sigma A \frac{\sigma}{2 \epsilon_o} d' [/itex]
and that would be it right?
then we just let d'=2d