ac and dc (AQA GCSE Physics): Flashcards
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Practise the cards
12 cards from this deck
Type of current that flows in one direction only
Type of current that flows in one direction only
Direct current (DC)
Sources that provide DC
Sources that provide DC
Cells and batteries
Oscilloscope display pattern for DC
Oscilloscope display pattern for DC
Straight horizontal line (constant voltage)
Type of current that changes direction back and forth
Type of current that changes direction back and forth
Alternating current (AC)
Oscilloscope display pattern for AC
Oscilloscope display pattern for AC
Sine wave (goes up and down)
UK mains voltage
UK mains voltage
UK mains frequency
UK mains frequency
(50 cycles per second)
Times per second UK mains AC changes direction
Times per second UK mains AC changes direction
100 times per second
Type of current provided by batteries
Type of current provided by batteries
Direct current (DC)
Type of current from mains wall sockets
Type of current from mains wall sockets
Alternating current (AC)
What power rating indicates
What power rating indicates
Energy an appliance uses each second