Subject :NSO Class : Class 6
Which of the following fits into position R?
AGraphite
BIron
CPlastic
DNone of them
Ans 1:
Class : Class 6
None of the above. No object can be conductor and insulator at the same time except for some elements like germanium and silicon.
Ans 2:
Class : Class 8
yes.....graphite is a electrical conductor and a heat insulator
Ans 3:
Class : Class 8
graphite