In the circuit shown in Fig. E26.20, the rate at which R1

Chapter 26, Problem 20E

(choose chapter or problem)

In the circuit shown in ?Fig. E26.20?, the rate at which ?R?1 is dissipating electrical energy is 15.0 W. (a) Find ?R?1 and ?R?2. (b) What is the emf of the battery? (c) Find the current through both ?R?2 and the 10.0-? resistor. (d) Calculate the total electrical power consumption in all the resistors and the electrical power delivered by the battery. Show that your results are consistent with conservation of energy.

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