During a classroom demonstration, a metal plate is placed on a dry insulating stand and given a positive static charge. A student standing on the ground touches the plate with one finger and feels a brief electric shock.
Explain why the student feels an electric shock.
91 exam-style questions on Edexcel GCSE Physics 11.1 Charging by friction, covering 11.1.1 Charging insulators by friction, 11.1.2 Forces between charges, 11.1.3 Electrostatic phenomena, and 11.1.4 Earthing and removing charge. Each one has a worked solution and a mark scheme showing where the marks go.