Energy is transferred electrically and then mechanically in one of these arrangements. Which arrangement is it?
A power supply runs a heating element that warms a metal plate.
A power supply runs a motor that holds a crate still in the air.
A power supply runs a filament lamp that illuminates a screen.
A power supply runs a motor that rotates a pottery wheel.
115 exam-style questions on Edexcel GCSE Physics 8.1 Energy transfers and work, covering 8.1.1 Energy stores and transfer diagrams, 8.1.2 Ways of changing a system's energy, and 8.1.3 Work done by forces. Each one has a worked solution and a mark scheme showing where the marks go.