The film introduces viewers to the workings of electromagnets, generators, and transformers ... accompanied by period footage of electrical production equipment. While visually minimalistic ...

Electromagnets - AQA Electromagnetism is due to the magnetic fields around electric ... and microphones. Transformers - Higher - AQA Transformers use electromagnetic induction to change the ...

Uses of magnetism - Higher - OCR Gateway Electromagnetism is caused by the magnetic fields around wires carrying an electric ... OCR Gateway Transformers use electromagnetic induction to change ...