State the working of Unijunction Transistors, Physics

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State the Working of UJT

   Make  circuit  arrangement  as  demonstrated in  fig.(c),  where  UJT  is represented  by  its  equivalent  circuit  comprising resistances  RB1,  RB2 and  a  diode  D. Generally B2 is kept positive with respect to B1. A variable positive voltage is supplied to emitter through a switch S.

 

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