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Resistors in Series & Parallel

Calculate total resistance in circuits

Resistors in Series & Parallel

e.g. 100, 220, 330

Resistors can be connected in series (end-to-end, increasing total resistance) or parallel (side-by-side, decreasing total resistance). Understanding these configurations is fundamental to circuit analysis and electronics design.

Fun Fact

The standard E24 resistor series was designed so that successive values overlap at ±5% tolerance — ensuring you can always find a resistor within 5% of any desired value.

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