All Textbook Topics - Electricity - Current in series and parallel circuits - Current splits in parallel circuits, the current will split down each branch

Current splits in parallel circuits, the current will split down each branch

In parallel circuits, the current coming out of the battery splits down each branch then rejoins before going back into the battery, so the current in to the battery is the same as the current out of the battery.

This applies when each branch has the same components, different components and different numbers of components.

The total current out/in to the battery is equal to the sum of the currents in each branch.

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In a series circuit with only bulbs connected, when you halve the number of bulbs in the circuit but keep the number of cells the same, the current will double
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When you double the number of cells in a battery but keep the rest of the circuit the same, the current going in and out of the battery will double

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