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Unijunction Transistor (UJT) – Construction, Working, Characteristics Curve & Applications

In spite of having transistor added to its name, a Unijunction Transistor (UJT) working and characteristic curve varies completely from other counterparts.

Three Point Starter

The internal wiring for Three point starter is shown in the fig below. The three terminals of the starter are marked A, F and L. One line is directly connected to point L which is further connected to the starting handle (arm) through the...