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Silicon and Germanium p-n junction diode...

Silicon and Germanium `p`-`n` junction diodes are not used for making `LEDs`

A

as their energy band gap is very large

B

as their energy band gap is very small

C

as greater percentage of energy is in the form of heat

D

as there is no energy gap in them

Text Solution

Verified by Experts

The correct Answer is:
C
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