(a(i))[1]
Explain, in terms of particles, why the rod has become positively charged.
(a(ii))[1]
State what charge the woollen cloth gets.
(b(i))[2]
An uncharged conducting sphere hangs from an insulating thread. The positively charged rod is brought near the sphere, as shown in Fig. 5.1. On Fig. 5.1, draw the charge distribution on the sphere.
(b(ii))[2]
Explain why the sphere is pulled towards the rod.