27. Transistor Application

Question.2

Rohit is looking at a PCB where a transistor is placed between a control signal and a load.
The transistor has no complex biasing network and is clearly not part of an amplifier stage.

What is the primary purpose of this transistor in the circuit?

To amplify the signal voltage
To act as an ON/OFF electronic switch for the load
To regulate the supply voltage
To filter noise from the signal

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