# hw5.8 - HW5.8 Given Find R1 17 I1 R2 19 I2 R3 9 I3 R4 3 P1...

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HW5.8 Given: F i n d : 17 1 R ? 1 I 19 2 R ? 2 I 9 3 R ? 3 I ? 1 3 4 R P v 10 1 V ? 3 P v 7 3 V ? R P A two-loop circuit is shown in the diagram. (a) Calculate the following currents: (Denote currents flowing in the directions indicated by arrows in the diagram as positive.) (b) What power is provided to the circuit by each of the EMFs? (Positive denotes a discharging battery; negative, a charging battery.) (c) At what net rate is thermal energy being produced in the resistor network? Solutions a.) To find , & we can use the following formula: 1 I 2 I 3 I We need three equations  0 2 2 4 1 1 1 I R R I R V 0 3 3 3 1 1 1 I R V I R V 3 2 1 I I I  2 4 1 1 1 2 R R I R V I 3 1 1 3 1 3 R I R V V I  3 1 1 3 1 2 4 1 1 1 1 R I R V V R R I R V I

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  3 1 1 3 3 1 2 4 1 1 2 4 1 1 R I R R V V R R I R R R V I
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hw5.8 - HW5.8 Given Find R1 17 I1 R2 19 I2 R3 9 I3 R4 3 P1...

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