P2B GLOSSARY

ALL THE WORDS YOU NEED TO KNOW FOR P2B SINGLE SCIENCE, OCR BOARD - HIGHER TIER, PHYSICS

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P2b
Alternating current (A.C.) ­ flow of charge in a circuit, which
keeps on changing direction.
Dynamo effect ­ where changes of magnetism in coils of wire
generate electricity.
Generator ­ device which transfers the kinetic energy of a
rotating shaft into electrical energy.
National grid ­ cables that carry electrical energy from power
stations to consumer.
Transformer ­ device which raises or lowers the voltage of an
alternating current.

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