Circuit Builder: Series and Parallel

Switch between series and parallel resistor layouts to compare equivalent resistance, current, voltage drops, and power.

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Circuit Builder: Series and Parallel

Speed

Preparing simulation

Keyboard: Space toggles play, R resets, ] steps forward, [ returns to the initial state.

A direct-current circuit simulation for building intuition about how resistors combine. Learners change the battery voltage, resistor values, and layout to see why series components share current while parallel branches share voltage.

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