An electric hair dryer transfers electrical energy into useful kinetic energy of the fan and thermal energy of the heating filament. Some energy is wasted during this process.
Describe what happens to this wasted energy as the hair dryer operates.
82 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations, covering 3.1.1 Gravitational potential energy, 3.1.2 Kinetic energy, and 3.1.3 Energy transfers and conservation of energy. Each one has a worked solution and a mark scheme showing where the marks go.