34. The circuit in Figure P27.34a consists of three resistors and QC one battery with no...

  

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34. The circuit in Figure P27.34a consists of three resistors and QC one battery with no internal resistance. (a) Find the current in the 5.00- resistor. (b) Find the power delivered to the 5.00- resistor. (c) In each of the circuits in Figures P27.34b, P27.34c, and P27.34d, an additional 15.0-V battery has 5.00 Ω 10.0 Ω a 8.00 Ω 5.00 Ω ww 8.00 Ω 15.0 V C 10.0 Ω www 10.0 Ω 15.0 V J 15.0 V J 5.00 Ω ww b 8.00 Ω 5.00 Ω d 15.0 V 8.00 Ω < Figure 2724 15.0 V 15.0 V 10.0 Ω 15.0 V been inserted into the circuit. Which diagram or diagrams represent a circuit that requires the use of Kirchhoff's rules to find the currents? Explain why. (d) In which of these three new circuits is the smallest amount of power delivered to the 10.0-2 resistor? (You need not calculate the power in each circuit if you explain your answer.) 34. The circuit in Figure P27.34a consists of three resistors and QC one battery with no internal resistance. (a) Find the current in the 5.00- resistor. (b) Find the power delivered to the 5.00- resistor. (c) In each of the circuits in Figures P27.34b, P27.34c, and P27.34d, an additional 15.0-V battery has 5.00 Ω 10.0 Ω a 8.00 Ω 5.00 Ω ww 8.00 Ω 15.0 V C 10.0 Ω www 10.0 Ω 15.0 V J 15.0 V J 5.00 Ω ww b 8.00 Ω 5.00 Ω d 15.0 V 8.00 Ω < Figure 2724 15.0 V 15.0 V 10.0 Ω 15.0 V been inserted into the circuit. Which diagram or diagrams represent a circuit that requires the use of Kirchhoff's rules to find the currents? Explain why. (d) In which of these three new circuits is the smallest amount of power delivered to the 10.0-2 resistor? (You need not calculate the power in each circuit if you explain your answer.)

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d Fig P2734c circuit requires the use of kirchoffs ... View the full answer