In a zener diode

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In a zener diode Answer: sharp breakdown occurs at a certain reverse voltage

When reverse voltage equals breakdown value it starts conducting and voltage does not increase further.

Question context

This question is part of 📡 Electronics and Communication Engineering (ECE) within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.