Why zener diode is reverse biased?

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Tags

1. #their
2. #crosses
3. #increases
4. #current
5. #diode
6. #increased
7. #hence
8. #through
9. #breakdown
10. #zener
11. #while
12. #means
13. #doped
14. #junction
15. #normal
16. #forward
17. #rapidly
18. #reverse
19. #highly
20. #behavior
21. #voltage
22. #diodes
23. #potential