In a reverse-biased pn-junction diode,the dep | vedclass

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(B) When a $pn$-junction diode is reverse-biased,the positive terminal of the external battery is connected to the $n$-region and the negative termina

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increases

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(B) When a $pn$-junction diode is reverse-biased,the positive terminal of the external battery is connected to the $n$-region and the negative terminal to the $p$-region.This configuration pulls the majority charge carriers (holes in the $p$-region and electrons in the $n$-region) away from the junction.As a result,the concentration of immobile ions near the junction increases,which causes the depletion layer width to increase.

In a reverse-biased $pn$-junction diode,the depletion layer width:

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