Electricity and magnetism by Paula Crespo

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Electricity and magnetism by Paula Crespo

  1. 1. Electricity andmagnetism Paula crespo gonzalez
  2. 2. Electricity Static electricity is a kind of electricity that occurs when an object accumalates electrical charges.the electrical charges can be positive or negative. * Neutral * Electrically charged
  3. 3. Conducting and insulating materials We can classify materials into two groups: * Conducting materials * Insulating materials
  4. 4. Insulatingmaterials
  5. 5. Conductingmaterials
  6. 6. Electric materials Electric current is the movement of electrical through a conducting material. The main parts of an electric circuit are: * Current generator * Conducting elements or wires * Devices or receivers
  7. 7. Use of electric current Electric current has many uses the most common are : * Light ,image and sound * Heat * Movement * Communication
  8. 8. Electric circuits In addition to these main parts , an electric circuit often has other compents: * Switch * Electricity meter * protection devices or circuit breakers
  9. 9. Electriccircuits
  10. 10. Magnets Some materials can attract certain metals .this property is called magnetism.There are two types of magnets : * Natural. * Artificial.
  11. 11. Characteristic of magnets
  12. 12. Use of magnetism Magnetism have diferent use: * Orientation * Magnets * Information storage * Theft control * Identification
  13. 13. End By paula crespo

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