Equivalent resistance for resistors in series:
Equivalent resistor for resistors in parallel:
Let's label the resistors as follows:
Resistors 1 and 2 are in series.
R12 = R1 + R2 = R + R = 2R
R12 and R3 are in parallel.
1/R123 = 1/2R + 1/R = 3/2R
What is the net resistance of the circuit connected to the battery in (Figure 1)?
Express your answer in terms of R.
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