37_Ch 18 College Physics ProblemCH18 Direct-Current Circuits

# 37_Ch 18 College Physics ProblemCH18 Direct-Current...

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Direct-Current Circuits 135 Some typical data values for the graph are ±²³´µ¶ ·´²´µ ± ± ± ² R ( ) L P (W) 1.00 1.19 5.00 3.20 10.0 3.60 15.0 3.46 20.0 3.20 25.0 2.94 30.0 2.70 The curve peaks at P at a load resistance of R 3.60 W L = 10.0 = . 18.60 The total resistance in the circuit is 1 1 12 11 1 1 1.2 k 2.0 k 3.0 k R RR  =+ = + =  ΩΩ  2.0 F+3.0 F=5. CC C and the total capacitance is 0 F µ µµ = += ( Thus, )( ) max 5.0 F 120 V 600 C QC ε == = () ( ) and 36 3 6.0 s 5.0 10 F 6.0 10 s 1000 −− Ω × = 1.2 10 RC τ ==× The total stored charge at any time t is then ( )
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## This note was uploaded on 12/09/2011 for the course PHYS 2020 taught by Professor Staff during the Fall '10 term at FIU.

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