Question

A light emitting diode is (A) a n-p-n type semiconductor with a forward bias

• A. a p-n-p semiconductor with a reverse bias
• B. a p-n-p semiconductor with a forward bias
• C. a p-n semiconductor with a reverse bias
• D. a p-n semiconductor with a forward bias
• E.

Hint:

Forward bias = light ON, reverse bias = light OFF.

Answer 1

Answer: (E)