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15 cards from this deck
Electric current that flows in one direction at constant voltage
Horizontal line
Electric current that reverses direction at regular intervals
Alternates between positive and negative values
Efficient for long-distance energy transmission
Easy to use transformers to change P.D.
50Hz50 Hz50Hz
230V230V230V
Between +230V+230V+230V and −230V-230V−230V
50 times
Used to see the pattern of an electrical current
f=1tf = \frac{1}{t}f=t1
Time of one cycle
Constant over time
Changes direction periodically
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