Alternating current? Direct current? Who cares? You should! Everything is explained in this PRESENTATION with accompanying DOUBLE SIDED WORKSHEET! All ANSWERS are provided for both the presentation and the work sheet. Packed with photos and worked examples, students are taught the difference between AC an DC and their understanding tested to the limit. Students are also taught how to extract information from Cathode Ray oscilloscopes (CRO) and extract information from their screens such as voltages and frequencies.There is something for students of all abilities at GCSE and it is even suitable for A Level students.
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