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Showing results 1 to 10 of 33
A simple procedure for investigating the voltage/current characteristics of a diode which will ensure sensible results are obtained.
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Guidance on how to use a DMM, where to plug in test leads, what the various functions do, and how to select the appropriate scale.
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This guide provides instructions for making a laser modulator and receiver to demonstrate the wireless transmission of information, for example transmission of sound over a fibre-optic link.
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Explains laser classification and hazards. Describes the lasers that are permitted in school science and the range of relevant practical work. Also desribes common devices which use lasers and how th..
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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 ..
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Brief but essential guidance on what to look for when buying a digital miutimeter (DMM)
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Instructions on how to make a conductivity indicator for chemical solutions and materials.
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Instructions on how to make an Arduino millivoltmeter for use with CLEAPSS colorimeter or other low-voltage applications. The accompanying zip files GL257a contains the Arduino code & GL257b soft..
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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..
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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..
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Showing results 1 to 10 of 33
