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Describes the range of meters which could be used in class for measuring aspects of electricity. Explains the value, or otherwise, of  different devices and what to look for to maximise value for mone.. more
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Guidance on general laboratory equipment including low voltage supplies, magnifiers, meters, micrometer screw gauges, microscopes, pumps, thermometers, timers, tubing and volume measurement.
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A safe, simple procedure to investigate this important property of electrical cells.
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You can demonstrate that hot glass is an electrical conductor (hot glass is actually an example of a solid electrolyte). This is counterintuitive because at room temperature, glass is a good electrica.. more
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An interesting investigation which involves using an electric lamp to heat water. By measuring the temperature rise over time, and the voltage and current input to the lamp, the overall efficiency of .. more
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This edition includes notes on fume cupboard testing, working safely with wood dusts, not using mains-powered open wire radiant heaters, dissecting butchers' bits, an introduction to microscale chemis.. more
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A pencil is sharpened at both ends and crocodile clips attached at each end. These are connected to a low voltage power supply. The voltage is increased and the wooden casing quickly starts to produce.. more
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A simple procedure for investigating the voltage/current characteristics of a diode which will ensure sensible results are obtained.
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The voltage-current (VI) characteristic of an electrical component is a curve which illustrates the relationship between these two quantities. This experiment is normally completed for a set of three .. more
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Simple and comprehensive instructions for using this traditional equipment which is common in schools, but often lays unused in a cupboard.
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