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In the saturated region, the transistor acts like a_________

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In the saturated region, the transistor acts like a_________

(a) poor transistor

(b) amplifier

(c) open switch

(d) closed switch

The question was asked in homework.

This intriguing question originated from The Junction Transistor topic in division Transistor Characteristics of Electronic Devices & Circuits

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The correct option is (d) closed switch

Best explanation: In saturated mode, both emitter and collector are forward biased. The negative of the battery is connected to emitter and similarly the positive terminals of batteries are connected to the base. The transistor now acts like a closed switch.

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