&lt;DEB&gt;Dina GREBAUX a écrit le 05/06/18 10:20:22&lt;MID&gt;when they are rubbed against each other&lt;FIN&gt;&lt;DEB&gt;Vincent FOULQUIER a écrit le 05/06/18 10:17:24&lt;MID&gt;Explain why for static electricity to occur between two surfaces that are rubbed against each other, one of the materials has to be an insulator.

electrons go from conductor to isolator when they are rubbed.&lt;FIN&gt;