CCEA Magnetism and Electromagnetism | GCSE Physics Online

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CCEA Magnetism and Electromagnetism

Developing your previous knowledge of magnetism we go onto study electromagnets and how their effects are used in real devices.

Choose your topic:

Permanent Magnets [FREE] - There is always a magnetic field around these materials

Electromagnets - Here a current in a wire causes a magnetic field around it

The Motor Effect - When there is a current in a wire inside a magnetic field it causes movement

Generators - When you move a conductor in a magnetic field we induce a potential difference

Transformers - Using a.c. these can change the potential difference and current (note: you only need to know the equation Ns/Np = Vs/Vp

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