Zener breakdown occurs in a p - n junction having p and n both:

Zener breakdown occurs in a

p - n

junction having

p

and

n

both:

Options

Alightly doped and have narrow depletion layer.
Bheavily doped and have wide depletion layer.
Clightly doped and have wide depletion layer.
Dheavily doped and have narrow depletion layer.

Correct answer

D. heavily doped and have narrow depletion layer.

Step-by-step solution

Zener breakdown occurs in a $p - n$ junction having $p$ and $n$ both because , zener breakdown occurs in the heavily doped p-n junction diode. Heavily doped $p - n$ junction diodes have narrow depletion region.

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