744_Physics ProblemsTechnical Physics

744_Physics ProblemsTechnical Physics - 84 Capacitance and...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
84 Capacitance and Dielectrics P26.18 The circuit reduces first according to the rule for capacitors in series, as shown in the figure, then according to the rule for capacitors in parallel, shown below. CC C C eq =+ + F H G I K J == 1 1 2 1 3 11 6 183 . FIG. P26.18 P26.19 CCC p 12 111 s Substitute p 21 =− 11 1 CCCC CC C sp p p = −+ ej . Simplifying, C pp s 1 2 1 0 −+= . C C C C ppp s p s 1 2 2 4 2 1 2 1 4 = ±− We choose arbitrarily the + sign. (This choice can be arbitrary, since with the case of the minus sign, we would get the same two answers with their names interchanged.) C C C C C p s p p s 1 2 2 2 1 2 1 4 1 2 900 1 4 200 600 1 2 1 4 1 2 150 300 = + = =−= = = .. . . . . pF pF pF pF pF pF pF pF bg P26.20 p and s . Substitute p : 1 p p
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

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 .

Ask a homework question - tutors are online