Technician A says the transistor is a key component in any electronic device. Technician B says there are three types of transistors

Question

Technician A says the transistor is a key component in any electronic device. Technician B says there are three types of transistors. Who is correct?
Select one:
a. Technician A
b. Technician B
c. Both Techs A and B
d. Neither Technician A nor B

Answer 1

Please disregard this; my answer was incorrect. 

 

 

 

 

 

 

 

 

 

Answer 2

See --

http://www.learningaboutelectronics.com/Articles/Types-of-transistors.php