I have been able to answer the first two questions but am struggling with the th

Question

I have been able to answer the first two questions but am struggling with the third question. Any help would be very much appreciated. Thank you!

1) Two batteries with e1 = 13.00 V and e2 = 18.00 V and no internal resistance are connected to two resistors with resistance R1 = 5.00 Ohm and R2 = 6.00 Ohm as shown in the figure. What is the magnitude of the current through R1? ANSWER: 2.6 A

2) What is the magnitude of the voltage drop across resistor R2? ANSWER: 5 V

3) What is the magnitude of the power being delivered by the battery labelled e1?

I have been able to answer the first two questions but am struggling with the third question. Any help would be very much appreciated. Thank you! 1) Two batteries with e1 = 13.00 V and e2 = 18.00 V and no internal resistance are connected to two resistors with resistance R1 = 5.00 Ohm and R2 = 6.00 Ohm as shown in the figure. What is the magnitude of the current through R1? ANSWER: 2.6 A 2) What is the magnitude of the voltage drop across resistor R2? ANSWER: 5 V 3) What is the magnitude of the power being delivered by the battery labelled e1?

Explanation / Answer

current through R2 = 5/6 =
current through e1 = 2.6-(5/6) = 1.76 A

Power delivered by the battery e1 = V*I = 13*1.76 = 22.88 W

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