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When a transistor is in cut off________

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When a transistor is in cut off________

(a) Maximum voltage appears across transistor

(b) Maximum voltage appears across load

(c) Maximum current flows

(d) Least current flows

This question was addressed to me by my school principal while I was bunking the class.

This key question is from Class B Output Stage topic in chapter Differential and Multistage Amplifiers of Electronic Devices & Circuits

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Right answer is (a) Maximum voltage appears across transistor

The explanation is: A transistor in cutoff mode is off – there is no collector current, and therefore no emitter current. It almost looks like an open circuit. Thus Maximum voltage appears across the transistor.

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