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The ideal battery in Figure (a) has emf  = 9.0 V. Plot 1 in Figure (b) gives the electric potential difference V that can appear across resistor 1 of the circuit versus the current i in that resistor. The scale of the V axis is set by Vs = 20.4 V, and the scale of the i axis is set by is = 3.31 mA. Plots 2 and 3 are similar plots for resistors 2 and 3, respectively. What is the current in resistor 2?

V (V) RS Ri 8 R2 0 i (mA) (b)

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Answer #1

R = X = slope of uri graph SORI US = 20.4 is 616 3.14 2 3.3110 -3 R2 = 2 vs = 2x 20.45 4108.76 R 3 3.3)x10 -3 Rg= usha is x 2

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