Which type of material is the channel of a unijunction transistor made up of?(a) PN type(b) It doesn’t affect the working(c) P type(d) N typeThe question was posed to me during an interview.I want to ask this question from The Unijunction Transistors in chapter Field-Effect Transistors of Electronic Devices & Circuits

Which type of material is the channel of a unijunction transistor made

1.	Which type of material is the channel of a unijunction transistor made up of?(a) PN type(b) It doesn’t affect the working(c) P type(d) N typeThe question was posed to me during an interview.I want to ask this question from The Unijunction Transistors in chapter Field-Effect Transistors of Electronic Devices & Circuits
Answer» The CORRECT option is (d) N type To elaborate: The core conducting component is the N-type channel of the transistor. Unijunction transistor CONSISTS of a SINGLE solid piece of N-type SEMICONDUCTOR material forming the main CURRENT carrying channel.

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