- for components in parallel:
the total current is the sum of the currents through the separate components
the potential difference across each component is the same
- the bigger the resistance of a component, the smaller the current that will pass through that component
- the current through a resistor in a parallel circuit is:
current = potential difference / resistance
- adding more resistors in parallel decreases the total resistance because the total current through the resistors is increased and the total potential difference across them is unchanged
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