(a)[2]
Explain how charging the dome makes the metal ball P become positively charged.
(b)[2]
Arrange the sentences in the right order. The first and last sentences are already in the correct boxes.
Physics 5054 · O Level · Electrical charge
Electrical charge — practice question
Fig. 5.1 shows part of a machine used to investigate electrostatic charging.
Before the machine is switched on, the metal dome and the ball have no charge. Once the machine is switched on, the metal dome gains a negative charge.