Six-mark questions will only appear in the Depth paper. There will be two six-mark questions in the Depth paper. Six-mark questions are extended free-response questions, requiring the longest answers.

The motion of charged particles causes electrical effects, small shocks, lightning and sparks. Electrical fields cause forces to act on charged particles. How to affect electric current - OCR 21st ...

If a charged particle beam interacts with structures of different electric conductivity in a microelectronic circuit, this leads to local changes in the electric potential at its surface. In a ...