Question

Are transistor control by current or voltage?​

Answer 1

Answer:

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Explanation:

Basically, a bipolar transistor amplifies a small current entering the base to produce a large collector current. It is a current-driven device since the collector current is controlled via the base current. The current gain varies with the collector-emitter voltage (VCE).

Answer 2

Answer:

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Here's your Answer.

Explanation:

By turning a small input current into a large output current, the transistor acts like an amplifier. When there is no current to the base, little or no current flows between the collector and the emitter. Turn on the base current and a big current flows. So the base current switches the whole transistor on and off.