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Basic Electricity

Basic Electricity. ELECTRICITY: The flow of electrons FORMS : Static and dynamic SOURCES : Man made and natural TYPES: AC and DC ELECTRICAL DEVICE: Single component ELECTRONIC DEVICE: Many components working together. Contains solid-state devices. Basic Electricity. Atom

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Basic Electricity

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  1. Basic Electricity • ELECTRICITY: The flow of electrons • FORMS : Static and dynamic • SOURCES : Man made and natural • TYPES: AC and DC • ELECTRICAL DEVICE: Single component • ELECTRONIC DEVICE: Many components working together. Contains solid-state devices.

  2. Basic Electricity • Atom • Electron: Neg. Charge • Proton: Pos. Charge • Neutron neutral or no charge Basic circuits contain: • Source • Path • Load

  3. Basic Electricity • Factors: • Lazy • Takes the least path of resistance • Likes to go to ground • Human shock factor: Current can harm you • Human senses • Taste • Smell • Sight • Hearing • Touch

  4. Basic Electricity Safety • Insulate your self. • Stand on a dry nonconductive surface. • Turn off power source when ever possible. • Wear safety glasses. • Use only one hand when working on live circuits. • Avoid contact with a ‘HOT’ lead. • Remember electricity is LAZY. If your electricity’s only path YOU will get SHOCKED. • Keep the work area clean.

  5. Basic ElectricityCircuit Conditions • Complete circuit • Contains: source - path - load • Open circuit • No current flow - a break in the circuit • Closed circuit • Current flow – complete circuit with no break

  6. Basic ElectricityCircuit Conditions • Short circuit • A circuit which current bypasses the load • Maximum current will flow • Overload • Excessive current flow • Circuit will become over heated

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