output terminals - Area on AC generator where power is released, rotor - spins on the AC generator to cause a magnetic field, prime mover - rotates the shaft of the AC generator, stator - coil that transfers current to the output terminals, counterclockwise - the direction that conventional current flows around a wire, relay - electrical switches that use electromagnets, transformer - transfers current from one circuit to another using electromagnetic induction, Hz - SI unit for frequency, AC - current that changes direction, DC - current that flows in only one direction, solenoid - a current-carrying coil of wire, electromagnetic - solenoid with a metal bar on the inside, lines of force - shows the strength and direction of a magnetic field, generator - converts mechanical energy to electrical energy, motor - converts electrical energy to mechanical energy, 770 degrees C - curie temperature, a new magnet forms - happens when you break a magnet in half, dipole - because magnets ALWAYS have two poles, they are known as?, Maricourt - observes bits of iron collecting on the ends of a magnet, navigation - first use of a magnet, step up transformer - increases the amount of voltage, step down transformer - decreases the amount of voltage, nuclear energy - produced by steam turbines, diamagnetic - type of substance that opposes a magnetic field, Gilbert - changed the study of magnetism from superstition to science, Chinese - first to use magnetic compasses, North to South - direction lines of force travel, electric fields - has similar properties to magnetic fields, hydroelectric - type of energy produced by a water turbine, number of coils - determines the of the magnetic field of a transformer,

Physical Science Chapter 11

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