Consider the following statements.
1. A p - n junction diode is a basic semiconductor device.
2. A p - n junction diode can work as excellent rectifier.
3. The p - n junction diode cannot be used as a half-wave rectifier.
Which of the statements given above is/are correct?

A. Only 1

B. Only 3

C. 1 and 2

D. All of these

Answer: Option C