List of top Physics Questions on Semiconductor electronics: materials, devices and simple circuits asked in EAMCET

In the figures shown below

A p-n-p transistor is said to be in active region of operation, when:

Consider the following statements A and B. Identify the correct answers. A. A zener diode is always connected in reverse bias. B. The potential barrier of a p-n junction lies between 0.1 to 0.3 V, approximately.