Basics of Electricity-Hailey Ribaudo

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  1. 2. A switch responds to an external force to mechanically change an electric signal.
  2. 5. Circuit: series circuit, any electrically conducting pathway comprising an electric circuit along which the whole current flows through each component.
  3. 6. Diagram: A circuit diagram is a graphical representation of an electrical circuit.
  4. 9. the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field that causes the flow of current.
  5. 10. Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω).
  6. 11. Electric circuit, path for transmitting electric current
  7. 14. Voltage is the pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light.
  8. 15. Unit of electric current
  9. 16. a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.
  10. 18. A conductor, or electrical conductor, is a substance or material that allows electricity to flow through it.
  11. 19. Circuit: parallel circuit, an electrical path that branches so that the current divides and only part of it flows through any branch.
  12. 20. — electricity, phenomenon associated with stationary or moving electric charges. Electric charge is a fundamental property of matter
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  1. 1. Law: Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperatures remain constant.
  2. 3. Electrical resistivity is a measure of a material's property to oppose the flow of electric current.
  3. 4. . Current is the rate at which electrons flow past a point in a complete electrical circuit.
  4. 7. The ohm is a measurement of resistance between two points of a conductor when a constant potential difference of one volt (V) is applied to those points and a current of one ampere (A) is produced.
  5. 8. In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.
  6. 12. An electrical cell is an "electrical power supply"
  7. 13. An electrical insulator is a material in which electric current does not flow freely.
  8. 17. Voltage is the pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light.