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12 cards from this deck
Understand how combining resistors affects total resistance
Resistors connected one after another in single path
Rtotal=R1+R2+R3+...R_{total} = R_1 + R_2 + R_3 + ...Rtotal=R1+R2+R3+...
Sum of all individual resistances
Always greater than any single resistor
Resistors side-by-side, creating multiple current paths
1Rtotal=1R1+1R2+...\frac{1}{R_{total}} = \frac{1}{R_1} + \frac{1}{R_2} + ...Rtotal1=R11+R21+...
Always less than smallest individual resistor
Multiple paths reduce opposition to current flow
Calculate parallel sections first, then treat as series
Instrument for measuring resistance
Flows through each resistor in turn
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