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CIRCUITS and COMPONENTS

CIRCUITS and COMPONENTS. What do you know about circuits ?. First of all , what is a circuit ? H ow does a circuit work ? Where are the citcuits used ?. Vocabulary. Circuit (n): a complete and closed path around which a circulating electric current can flow

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CIRCUITS and COMPONENTS

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  1. CIRCUITS and COMPONENTS

  2. What do youknowaboutcircuits? First of all, what is a circuit? How does a circuitwork? Wherearethecitcuitsused?

  3. Vocabulary Circuit(n): a complete and closed path around which a circulating electric current can flow the maximum number of light fittings on a circuit is twelve

  4. Switch on(phr.v): toturn an electrical device on she switched on the kettletoheatwater switch off (phr. v.): toturn an electrical device off Theburglar alarm wasswitchedoff, sotheneighborsdid not hearthembreakingintothehouse.

  5. Plug PowerSocket A circuit breaker is an automatic device for stopping the flow of current in an electric circuit as a safety measure.

  6. short circuit (n.phr): a bad electrical connection which causes the current to flow in the wrong direction, often having the effect of stopping the power supply Whathappens in a shortcircuit??? Fire?!!!

  7. isolate(v): cut off the electrical or other connection to (something, especially a part of a supply network): engineers isolated the gas supply to the house.

  8. Sensor(n): a  device which is used to record that something is present or that there are changes in something Synonym: detector The security device has a heat sensor which detects the presence of people and animals.

  9. Detect/sense (v): to notice something that is partly hidden or not clear, or to discover something, especially using a special method Some sounds cannot be detected by the human ear.

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