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Homework Statement
If the circuit of parallel and series resistors , is as follows , what's the equivalent resistance for the group?
Homework Equations
neglecting the battery internal resistance... irrelevant to the question.
The Attempt at a Solution
I tried to do the following
R1=8+12=20 ohms
R2=4+6=10 ohms
R3=9 ohms
then,
R(equivalent)= R1//R2//R3
but i'm not sure!
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