What is the standard voltage for most single-phase household systems, 12V, 24V, 230V, 415V, How many main wires are used in a single-phase system?, One, Two, Three, Four, What is the name of the wire that carries the return current in a single-phase system?, Live, Neutral, Earth, Fuse, What is the usual colour of the Live wire?, Blue, Brown, Green/yellow, Black, What is the function of the Earth wire?, To supply current, To return current, For safety protection, To increase voltage, What is the phase shift between ACs for single phase?, 90 degree, 120 degree, 180 degree, 0 degree, These are the example of single phase connection application, EXCEPT, air conditioner , light, television, sensor.
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Recap - single phase system
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