Flashcards
AC/DC
Cards in this deck (7)
- 1What happens in AC?Alternating current - the current continuously changes direction
- 2What happens in DC?Direct current - the current continues to flow in the same direction
- 3How are the different currents shown on an oscilloscope reading?AC - a wavy line
DC - a flat line - 4Define frequency in ACThe number of changes in direction of current per second
- 5What is the frequency of the mains supply?50 Hz
- 6What is the voltage of the mains supply?230 V
- 7What is a period on an oscilloscope reading?The time taken for one cycle
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- AS level Physics (GCSE) Flashcards on AC/DC, created by Sarah Collinson on 22/04/2016.
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- Sarah Collinson
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