(a)[1]
State how Fig. 8.1 indicates that the rod and the cloth carry no charge.
(b(i))[2]
The plastic rod is negatively charged when it is rubbed with the cloth. Describe what occurs to the charges on the rod and on the cloth during the charging process.
(b(ii))[2]
Describe a straightforward experiment to demonstrate that the plastic rod is charged. You may include a diagram if you wish.