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Question

(a) Write the functions of the three segments of a transistor.
(b) The figure shows the input waveforms A and B for 'AND' gate. Draw the output waveform and write the truth table for this logic gate.

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Solution

(a) Emitter : It emits the majority charge carriers.
Base : It controls the flow of majority charge carriers.
Collector : It collects the majority charge carriers emitted by the emitter.
(b)

Truth table for AND gate :
A B AND Output0 0 00 1 01 0 01 1 1

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