Resistors R1 = 31 Ω , R2 = 48 Ω , and R3 = 82 Ω are connected as
shown in (Figure 1). Find the equivalent resistance between points
A and B 
Homework Answers
R1 and R2 are in series combination
so R12 = R1+R2 = 31+48 = 79 ohm
R12 and R3 are in parallel combination
Rtot = R12*R3/R12+R3 = 79*82/79+82 = 40.24 ohm
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