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Unformatted text preview: series G # G " G " total " " G G " # These rules can be combined to analyze more complicated arrangements of capacitors: G " G $ G # G & G % G " total " " " G G G G G " # $ % & Problems: 17, 19, 21 3. Dielectrics You do not need to learn the material in this section. 4. Energy in Capacitors The potential energy stored in a capacitor is given by the formula: Y U Z " # ? (This is just the formula for the potential energy of a charged conductor given in chapter 25.) Since , this formula can be written: U G Z ? Y G Z Y " U # #G a b ? # # or These are the only formulas we will be using from this section. You can ignore the material on dielectrics and energy density after example 10. Problems: 53, 55...
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- Spring '10