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Use this slideshow to help you cover the Electricity topic from the 2016 OCR Gateway course. It includes: static electricity, gold leaf electroscopes, Van de Graaf generators, electric fields, electric current, charge, Q=It, circuit symbols, current and voltage in series and parallel circuits, calculating resistance, Ohm's Law, factors affecting resistance, understanding resistance, I-V graphs for resistors, bulbs and diodes, resistors in series and parallel, equivalent resistance, LDRs and thermistors, using thermistors and LDRs in control circuits, Q=QV, calculating power, measuring power practically, lots of example questions and answers.

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