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Resistors in Parallel

The reciprocal of the total resistance of the circuit is equal to the sum of the reciprocals of all the resistors in the circuit.

I = I1 + I2

.The potential difference across each branch of a parallel circuit is the same.For any complete loop of a circuit the sum of the emfs is equal to the sum of the potential differences around the loop.In a parallel circuit the electrons have two possible paths through which they can flow.This decreases the resistance and increases the current.

I = I1 + I2

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Specification: AQA Physics (7407), AS-level, 3.5.1.4 Circuits. Topic: Direct Current Circuits.

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