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Magnetism

Magnetism. Any time electrical power is moving through a wire magnetism is created Any time magnetism moves past a wire electrical power is created. Magnetism. Define the following terms: Flux lines Lines of magnetic force Flux density How close the flux lines are to each other

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Magnetism

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  1. Magnetism • Any time electrical power is moving through a wire magnetism is created • Any time magnetism moves past a wire electrical power is created

  2. Magnetism • Define the following terms: • Flux lines • Lines of magnetic force • Flux density • How close the flux lines are to each other • Polarity • North and South Pole

  3. Magnetism • How can you increase the strength of an electromagnetic field? • Increase the Power (amps and volts) • Loop or Coil the conductor • Focus the lines of flux with an iron core

  4. Magnetism How does a Relay work? Using magnetic force… …A small electrical load… …can control a large electrical load

  5. 12.6 V 12.6 V 0 V 0.0 V 0 V 0 V BAD SWITCH Switch is ON …. Motor does not run

  6. 12.6 V 12.6 V 12.6 V 0.0 V 12.6 V BAD GROUND Switch is ON …. Motor does not run

  7. 12.6V 12.6V 0 V 0 V BAD MOTOR GOOD RELAY

  8. Practice Diagnosing A Relay • http://cf.linnbenton.edu/eit/auto/krolicp/web.cfm?pgID=3598

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