Electric Circuits 8th Edition 106

Electric Circuits 8th Edition 106 - d) Using tle rcsufts of...

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82 Simple Resisiive Cncuitr 3.9 a) In the circuits in Fig. P3.9(a)-(c), find the equiv- alent resistance -Rab, b) For each circuit find the power delivered by the S€€{ioE 3.}3.4 3.10 Find the power dissipated in the 30 O resislor in the EnG c cuir ir Fig. P3 10 Figue P3.10 3,11 For the circuit in Fig. P3.11 calculate b) the power dissipated in the 12 O resistor. c) the power developed by the curent souice. Figure P3.U 10() 12A 1800 3.12 a) Find an expression for the equivalent resistance oI two resistois of value R in parallel. b) Find an expression for the equivalent resistance of ,? resistom of value R in parallel. tigurc P3.9 18fI c) Using tle results of (b), destn a resistive net- work with an equilaieDl resislaDce o[ using 1 kO resistois. d) Using tle rcsufts of (b), design a resistive net-
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Unformatted text preview: d) Using tle rcsufts of (b), design a resistive net-work with atr equivalent resistance of 5.5 kO using 2 kO resistors. a) Calculate the noload voltage t, foi the voltage-divider circuit shoM in Fig. P3.13. b) Calculate the power dissipated in & and R2. c) Assume tlat only 0.5 W resisto$ are available. The noload voltage is to be the same as in (a). Specify the smallest ohmic values of R1 and Rr. tigur€ P3.13 3.13 !!99!!1 t60v 3,14 In the voltage-divider circuit shown in Fig. P3.14, the no-Ioad value of oo is 4 V Wlen the load resisf ance Rr is attached across the teminals a and b, ?r, drops to 3 V Find Rr. Figure P3,14 40()-t*l-? .l]]] ( : ) 3 . , , ' l R .-r l_ *___l 14() 1 4 o 144v 16 O 100 10()...
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This note was uploaded on 07/05/2010 for the course EE 100 taught by Professor Boser during the Spring '07 term at Berkeley.

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