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Which among the following indicates early effect in BJT?

  • Base narrowing indicates early effect in BJT.
  • The early effect is a characteristic of BJTs where the width of the depletion region at the base-collector junction decreases with an increase in the collector-base voltage.
  • This results in a reduction of the effective base width, which in turn reduces the transit time of minority carriers crossing the base region.
  • This phenomenon is known as the early effect because it occurs at low values of collector-emitter voltage, i.e., in the "early" part of the transistor's operation.