Transistors are the examples of ______. 

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PGCIL NER DT (Electrical) 27 Feb 2022 Official Paper
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  1. Irreversible circuit 
  2. Unilateral circuit 
  3. Bilateral circuit 
  4. Reversible circuit 

Answer (Detailed Solution Below)

Option 2 : Unilateral circuit 
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The correct answer is option 2

Concept :

Unilateral circuit: the unilateral circuit is a circuit in which the flow of current takes place only in one direction. The best example of a unilateral circuit is a diode and transistor.

Bilateral circuit: Bilateral circuit is a circuit in which the flow of current takes in both directions. The best example of the bilateral circuit is Resistance, Inductance, and capacitance.

The basic Diagram of a transistor is 

NPN transistor: It is formed by sandwiching a thin layer of P-type semiconductor in between two N-type semiconductors.

F1 P.Y Madhu 13.04.20 D7

PNP transistor: It is formed by sandwiching a thin layer of N-type semiconductor in between two P-type semiconductors.

F1 P.Y Madhu 13.04.20 D8

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