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When the base current of a common-emitter transistor is kept at zero, it operates in...

Physics
JAMB 2006

When the base current of a common-emitter transistor is kept at zero, it operates in the 

  • A. active-on region
  • B. breakdown region
  • C. saturation region
  • D. cut-off region.
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Correct Answer: Option D
Explanation

When the base current of a common-emitter transistor is zero, it operates in the cut-off region, meaning it does not conduct current. This region is essential for the transistor to act as an off switch in circuits.

There is an explanation video available below.

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Explanation Video

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