preset resistors? please help?

Luke

Member
Joined
May 11, 2008
Messages
627
Reaction score
0
Points
16
im tryin to answer a question on this i have looked in some books and surfed the web i just cant find any information that is suitable.

what do preset resistors do?
what is the symbol for it? and what are the voltages ?

please help, people of yahoo you are my last resort 10 points to best answer. PLEASE HELP ME =)
 
Back
Top