743_Physics ProblemsTechnical Physics

743_Physics ProblemsTechnical Physics - Chapter 26 T cos mg...

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Chapter 26 83 P26.14 F y = 0 : Tm g cos θ −= 0 F x = 0 : TE q sin 0 Dividing, tan = Eq mg so E mg q = tan and VE d mgd q == tan . P26.15 CR =∈= × × = × −− 4 4 8 85 10 6 37 10 7 08 10 0 12 6 4 ππ .. . CNm m F 2 ej e j Section 26.3 Combinations of Capacitors P26.16 (a) Capacitors in parallel add. Thus, the equivalent capacitor has a value of CC C eq =+= + = 12 500 120 170 ... F F F µµ µ . (b) The potential difference across each branch is the same and equal to the voltage of the battery. V = 900 . V (c) QC V 5 5 00 9 00 45 0 = . V C bg af and V 12 12 0 9 00 108 = V C P26.17 (a) In series capacitors add as 111 1 1 12 0 C eq + F and C eq = 353 . F . (c) The charge on the equivalent capacitor is
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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