3. Let the energy stored "in the capacitor" be U. Show that U is given by the 1 expression: U = Q²/C

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3. Let the energy stored "in the capacitor" be U. Show that U is given by the
expression: U = - Q°/C
2
dQ
[Hint: The power P in the capacitor is given by P
This
= IV where I =
dt
is a simple exercise on integration.]
Transcribed Image Text:3. Let the energy stored "in the capacitor" be U. Show that U is given by the expression: U = - Q°/C 2 dQ [Hint: The power P in the capacitor is given by P This = IV where I = dt is a simple exercise on integration.]
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