phy1020.DVI

(Darren Dugan) #1

d)is


UD^12 CV^2 (25.13)

D

1


2


" 0 A


d

.Ed/^2 (25.14)

D^12 " 0 E^2 Ad: (25.15)

Since the volume of the space between the plates isAd, the energy densityuDU=.Ad/,or


uD^12 " 0 E^2 : (25.16)
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