Question: From Ohm's law for circuits, it follows that the total resistance R tot of two components hooked in parallel is given by the equation where

From Ohm's law for circuits, it follows that the total resistance Rtot of two components hooked in parallel is given by the equation

R¡R2 Riot R1 + R2


where R1 and R2 are the individual resistances.

(a) Let R1 = 10 ohms, and graph Rtot as a function of R2.

(b) Find and interpret any asymptotes of the graph obtained in part (a).

(c) If R2 = 2ˆšR1, what value of R1 will yield an Rtot of 17 ohms?

Rot R R R + R

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