The direct current (DC) is characterised by an unidirectional flow of electrical charges. This means that the charges are always circulating in the same direction. This is the case in nearly all electronic circuits powered by batteries. The alternative current (AC) is characterised by an alternate flow of electrical charges. This means that the charges always come and go. This is the case in domestic circuits (houses, etc).
File Type: Manipulative
Subject: Science
Grade: Grade 2, Grade 3, Grade 4, Grade 5, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10, Grade 11, Grade 12
Date submitted: July 27, 2012
Search terms: switch, AC/DC, electricity, alternating-current, light-bulb, DC-current
Publisher Name: eduMedia
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