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How is transistors used as switch?

Answer:

We know that base input must be more than 0.7Vdc (approx.) in order to turn on TRANSISTOR.Hence by controlling base voltage , it can be used as switch.

First answer by Nithyalakshmi. Last edit by Nithyalakshmi. Contributor trust: 0 [recommend contributor ]. Question popularity: 1 [recommend question].

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