Question

The thickness of the depletion layer in a p -n junction diode is of the order of:

• A. ${10}^{-3}mm$
• B. ${10}^{-6}mm$
• C. ${10}^{-3}m$
• D. ${10}^{-8}m$
• E. ${10}^{-4}m$

Answer 1

Answer: (A)

A typical width of a p-n junction diode is ${10}^{-4}cm,$ i.e., ${10}^{-3}mm$ .