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The switching of power with a PNP transistor is called_________

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The switching of power with a PNP transistor is called_________

(a) sourcing current

(b) sinking current

(c) forward sourcing

(d) reverse sinking

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Question is taken from Transistor as a Switch in portion Transistor Characteristics of Electronic Devices & Circuits

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The correct option is (a) sourcing current

Explanation: Sometimes DC current gain of a bipolar transistor is too low to directly switch the load current or voltage, so multiple switching transistors is used. The load is connected to ground and the transistor switches the power to it.

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