← Physics (4PH1)
Q1 / 5
Electric charge
Foundation
2 marks
Why are conductors able to conduct electricity but insulators cannot?
A
Conductors have free delocalised electrons that can carry charge; insulators have tightly bound electrons
B
Conductors have more protons than electrons
C
Insulators have too many free electrons
D
Conductors have no electrons at all
Need a hint?