91热爆

  • Magnetism and electromagnetism

    • Magnetic fields - AQA

      Magnetism is due to the magnetic fields around magnets. The fields can be investigated by looking at the effects of the forces they exert on other magnets and magnetic materials.

    • Electromagnets and transformers - AQA

      Electromagnetism is due to the magnetic fields around electric currents. The fields can cause forces with other nearby magnets which can be used to make motors spin.

    • Sample exam questions - magnetism and electromagnetism - AQA

      Understanding how to approach exam questions helps to boost exam performance. Questions will include multiple choice, descriptions and explanations, using mathematical skills, and extended writing.

Links