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15 cards from this deck
Electric current flowing in one direction at constant voltage
Horizontal line
Electric current that reverses direction at regular intervals
Values alternate between positive and negative
Used for long-distance energy transmission
Easy to use transformer to increase/decrease P.D.
50 Hz
230 V
Between +230 V and -230 V
50 times per second
Used to see the pattern of an electrical current
frequency=1t\text{frequency} = \frac{1}{t}frequency=t1
Time of one cycle
Current remains constant over time
Current changes direction periodically over time
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