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The circuit shown in the figure below contains three resistors (R1, R2, and R3) and three batteries (VA, VB, and VC). The resistor values are: R1=2 Ohms, R2=R3=4 Ohms, and the battery voltages are VA=25 V, VB=15 V, and VC=20 V. When the circuit is connected, what will be the power dissipated by R3?

options:

1.25 W

2.0 W

5.0 W

6.25 W

8.13 WVc + R1 + + VA VB R2 R3

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Answer #1

son Emf are connected in Series so their equivalent E = Vet VB - VA E= 20+ 15-25 E=lov lov Ri www Iz R2 R3 I I3 R2 and R3 arr

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