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Can a transistor amplify dc and how?

Answer:

Yes, but only if you already have the stronger current. A transistor is basically a switch which is activated by an electric current. AC (Alternating Current) can be amplified by using it to "switch" the transistor on and off, while applying DC (Direct Current) to the transistor. DC could be amplified as well, but you need a stronger current which will be switched off going into the transistor.

First answer by ID1286532959. Last edit by ID1286532959. Question popularity: 40 [recommend question].

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