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Analysing Circuits

Different combinations of resistors in series and parallel are used to build more complex circuits.When calculating the power, potential difference and current through a circuit or its components the following equations can be used.

V = I R

and

P = V I

V=IR is true for every component in the circuit.Kirchoff's 1st and 2nd Law can be applied as follows:

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Specification: OCR Physics A (H156), AS-level, 4.3.1 Series and parallel circuits. Topic: Electricity.

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