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Powerpoint Description:This slideshow covers the following content of the 2015 EdExcel A Level Physics course: electric current, charge and Q=It, current and voltage in series and parallel circuits, resistance, Ohm's Law and Ohmic conductors, resistors in series and parallel and how to calculate the equivalent resistance, electrical power, power loss through a resistor, current-voltage graphs for resistors, bulbs and diodes, movement of electrons, determining and using resistivity, drift speed, semiconductors and how their resistance is changed by heat or light, how voltage changes through a circuit, potential dividers, EMF, internal resistance and how to calculate it.
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