In a common-emitter transistor amplifier circuit, the inclusion of an emitter resistance stabilizes the operating point (Q-point) primarily because it:

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Physics · Semiconductor Devices

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Provides negative feedback that reduces the base-emitter voltage when collector current increases

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Answer 1

Directly increases the collector current

Answer 2

Increases the base-emitter voltage automatically

Answer 3

Provides negative feedback that reduces the base-emitter voltage when collector current increases

Answer 4

Makes the base-emitter voltage completely constant

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