3. Let the energy stored "in the capacitor" be U. Show that U is given by the expression: U =Q/C %3D
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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
[Hint: The power P in the capacitor is given by P = " = IV where l = . This is
a simple exercise on integration.]
du
4. Calculate the energy stored in the capacitor network in the figure below
when the capacitors are fully charged and when the capacitances are
C1=12.0µF,C2=2.0µF , and C3=4.0pF , respectively.
12.0 V](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc45a73f7-3cc1-47b2-aa90-f92f735b132c%2Fcf567324-a183-4293-af27-150abf544978%2Fekelnm9_processed.png&w=3840&q=75)
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