A person gains electrons while walking across a carpet. A spark passes when the person touches an earthed metal handle. Which statement describes the charge before the spark and the electron movement during discharge?
The person is negative; electrons move from Earth to the person.
The person is negative; electrons move from the person to Earth.
The person is positive; electrons move from the person to Earth.
The person is positive; electrons move from Earth to the person.
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.