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An electrical circuit that includes a voltage source
8. vs with an internal resistance rs and a load resis-
tance R, is shown in the figure. The power P dissi-
rsi Battery
pated in the load is given by
vR,
P =
(RL +rs)
RL
ww
Plot the power P as a function of R for
I RS 102, given that vs = 12 V and rs = 2.5 2.

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