18_InstSolManual_PDF_Part11

18_InstSolManual_PDF_Part11 - For N equivalent capacitors...

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18.48. Set Up: For capacitors in series the voltage across the combination equals the sum of the voltages in the individual capacitors. For capacitors in parallel the voltage across the combination is the same as the voltage across each individual capacitor. Solve: (a) Connect the capacitors in series so their voltages will add. (b) where N is the number of capacitors in the series combination, since the capacitors are identical. 18.49. Set Up: For capacitors in series, For capacitors in parallel, Solve: The possible combinations and their equivalent capacitance are shown in Figure 18.49. Figure 18.49 18.50. Set Up: For capacitors in series,
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Unformatted text preview: For N equivalent capacitors in series, For capacitors in parallel, For N equivalent capacitors in parallel, Solve: There are many ways to achieve the required equivalent capacitance. In each case one simple solution is shown in Figure 18.50. Figure 18.50 50 nF ( a ) 25 nF ( c ) 450 nF ( b ) 75 nF ( d ) C eq 5 NC . C eq 5 C 1 1 C 2 1 c C eq 5 C / N . 1 C eq 5 1 C 1 1 1 C 2 1 c 30 m F 10 m F 6.7 m F 15 m F 5 m F 20 m F 3.3 m F C eq 5 C 1 1 C 2 1 c 1 C eq 5 1 C 1 1 1 C 2 1 c N 5 V V 1 5 500 V 0.10 V 5 5000. V 5 V 1 1 V 2 1 V 3 1 c 5 NV 1 , Electric Potential and Capacitance 18-11...
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