Which of the following is made from a crystalline solid that conducts a current only under certain circumstances? @Somy
1. vacuum tube
2. cathode-ray tube
3. analog device
4. semiconductor

Question

Which of the following is made from a crystalline solid that conducts a current only under certain circumstances? @Somy  
1. vacuum tube 
2. cathode-ray tube
 3. analog device 
4. semiconductor

somy · Answer

4? i guess omg im freaking out now

somy · Answer

@Abhisar @matt101

somy · Answer

yeah it is semiconductor most probably

matt101 · Answer

Yes I would say semiconductor

anonymous · Answer

ohh okaay taank you ;D 
somy medal matt & ill medeal you lol

abhisar · Answer

4th

somy · Answer

lol done :D

abhisar · Answer

Mostly semi conductors are needed to reach a temp in order to conduct electricity

somy · Answer

i'll give u a medal in some other question :D @Abhisar

abhisar · Answer

LOL...soooooo kind...but i don need them... :D

somy · Answer

i don't remember asking you if u do need them @Abhisar lol