A glass rod is rubbed with a silk cloth. The glass rod becomes positively charged.
Which statement is correct?
The rod gained protons, and the cloth gained an equal negative charge
The rod lost electrons, and the cloth stayed completely uncharged
The rod lost electrons, and the cloth gained an equal negative charge
The rod gained protons, and the cloth stayed completely uncharged
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.