WJEC Electromagnetism | GCSE Physics Online

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WJEC Electromagnetism

Datblygu eich gwybodaeth flaenorol o fagnetedd, i astudio electromagnetau a sut mae eu heffeithiau'n cael eu defnyddio mewn dyfeisiau go iawn.

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 V1/V1 = N1/N2)

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