Exam (elaborations)
Bipolar Junction Transistor as a Switch: Light Control
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The flow of current in a circuit can be managed using a switch such as a bipolar junction transistor (BJT). When employed in this manner, the BJT can control the flow of current to a load since it is either totally "on" (saturated) or fully "off" (cut-off). A BJT switch can be used in light cont...
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