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How a transistor use as a switch?

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Anonymous

13y ago
Updated: 4/28/2023

A transistor (bipolar junction transistor BJT) will only conduct in ONE DIRECTION.

And the voltage drop is not Ohmic - it is *NOT* strictly related to current flow.

If you're referring to a Field-Effect Transitor (JFET, IGFET, MOSFET, etc), then the device may be able to be used in a bidirectional circuit.

But the question stated "transistor", which is understood to be a BJT.

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Celia Lemke

Lvl 10
2y ago

What else can I help you with?

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