This is a 6 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of Sources of Direct Current (DC). This PowerPoint includes a description of cells (and batteries) including internal resistance, photovoltaic cells, and stabilised AC to DC convertors.
This is the seventh PowerPoint in this section (Electricity and circuits) and it builds on the previous lessons, bringing many aspects together including resistance in series and the use of capacitors and Zener diodes.
v1.01 (Nov 2021 ) - Minor improvements
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