A person walks across a nylon carpet wearing rubber-soled shoes.
The person then touches a metal door handle and feels a small electric shock.
Which statement explains the shock?
Charge built up on the person by friction and then jumped to the handle
Charge was created in the handle and then jumped onto the person
Protons built up on the person by friction and then jumped to the handle
Current flowed from the carpet through the person and into the handle
43 exam-style questions on OCR GCSE Physics 3.1 Static and charge, covering 3.1.1 Positive and negative charge, 3.1.2 Static electricity and forces between charged objects, 3.1.3 Electron transfer and static electricity, 3.1.4 Electric fields, 3.1.5 Current as a flow of charge, 3.1.6 Current in a single closed loop, and 3.1.7 Charge, current and time. Each one has a worked solution and a mark scheme showing where the marks go.