Card 1 of 20
What is the defining characteristic of an alternating current?
A
It changes voltage periodically.
B
It changes magnitude periodically.
C
It changes direction periodically.
D
It has a constant direction periodically.
Card 1 of 20
Alternating currents and rms values Flashcards
20 flashcards on Edexcel A Level Physics Alternating currents and rms values: the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3.