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Physics · L3 · Series or Parallel? Choosing the Formula

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How the physical wiring of two resistors tells you which resistance formula to use — and what stays the same in each case.

by @openstemUpdated Physics
🔌 Two or more resistors in a circuitHow are they connected?Series: R_total = R1 + R2 + ...Parallel: 1/R_total = 1/R1 + 1/R2 + ...Same current flows through each resistor⚡ Same voltage sits across each resistorEnd to end, one pathSide by side, multiple paths

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