If the resistors are connected in series, the total resistance equals the sum of all resistors, and it is
If the resistors are in parallel, the total resistance can be found as
If the voltage across the first resistor is 4 V and the current in the first resistor is 18 microamps, the resistance will be
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The only options my quiz gives me are A. 239.87 ohms B.265.32 ohms C.346.77 ohms D.379.195 ohms Therefore 0.23k ohms is not and option.