Question

A transistor is made of _________.

• A. a metal piece sandwiched between two intrinsic semiconductors
• B. doped semiconductor
• C. intrinsic semiconductor
• D. None of the above

Answer 1

Answer: (B)

doped semiconductor

A transistor consists of two p-n junctions connected from end to end. It can be of either type n-p-n or p-n-p where n and p represent doped n-type and p-type semiconductors respectively.