2049_ch25B - PHY2049: Chapter 25 1 Capacitors in parallel...

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Unformatted text preview: PHY2049: Chapter 25 1 Capacitors in parallel Capacitors in series It is foolish to connect capacitors in series. + + = 2 1 eq 1 1 1 C C C + + = 2 1 eq C C C Example: 100 F in series with 10 F is 9 F (check yourself). The 100 F capacitor will be totally wasted. Parallel and series capacitorssummary PHY2049: Chapter 25 2 Two capacitor in series C eq even smaller than smaller of the two n capacitors in series C eq even smaller than smallest of all smaller of two (continued) 2 1 1 1 1 C C C eq + = 2 1 2 2 2 1 2 1 / 1 C C C C C C C C C eq < + = + = L + + + = 3 2 1 1 1 1 1 C C C C eq less than 1 1 1 1 C C eq > 1 C C eq < smallest PHY2049: Chapter 25 3 Four 1 F in parallel. Find C eq. Four 1 F in series. Find C eq. 1.3 F and 2.0 F in series. C eq is: (a) 0.79 F (b) 1.65 F (c) 3.3 F Examples 4 F 0.25 F PHY2049: Chapter 25 4 Equivalent capacitance? 1 and 2 in parallel Together, in series with 3 Example: parallel-series combo 1.0 F 2.0 F 3.0 F 1.0 + 2.0 = 3.0 F 5 . 1 1 . 3 2 . 3 1 . 3 1 1 = = + = eq C 1.5 F PHY2049: Chapter 25...
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This note was uploaded on 04/12/2008 for the course PHY 2049 taught by Professor Any during the Fall '08 term at University of Florida.

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2049_ch25B - PHY2049: Chapter 25 1 Capacitors in parallel...

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