Linked from
The 7 pages that link to Forward bias, each with the reason it gives.
RectifierRelated: A rectifier diode conducts during the waveform interval that forward-biases it.
Depletion regionCompared with: It narrows the depletion region, unlike reverse bias.
Junction transistorRelated: Forward bias injects carriers through the transistor’s emitter junction.
Diode bridgeRelated: Two bridge diodes are forward-biased during each input half-cycle.