1. which material is a good conductor of electricity
a. copper
b. paper
c. rubber
d. wood
2. after rubbing the fur ,the rod gains electrons . what happens to the fur
a. neutral
b. gain electrons
c. negatively charged
d.positively charge
3.it is a negatively charge particle of an atom
a.proton
b.electron
c.charges
d.nuetron
4.which can be attracted by a positively charged object?