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Question

Physics Question on Semiconductor electronics: materials, devices and simple circuits

Identify the mismatched pair from the following

A

Zener diode : voltage regulator

B

germanium doped with phosphorous : nn-type semiconductor

C

semiconductor : band gap > 3eV

D

pn junction diode : rectifier

Answer

semiconductor : band gap > 3eV

Explanation

Solution

The band gap of semiconductor is less than 3eV3 \,eV. So, option (c) is mismatch.