Electrical Systems

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Across
  1. 3. Which useful effect of an electric current is used when medical instruments are electroplated with materials like gold or silver?
  2. 8. Term for materials like copper and silver that allow current to flow easily because they have low resistance
  3. 9. What term, also known as potential difference, refers to the amount of energy needed to move a unit charge from one point in an electric circuit to another?
  4. 12. What type of bulb uses less electrical energy per unit time to provide the same brightness compared to a filament bulb?
  5. 13. A type of resistor whose resistance changes with temperature, often used in digital thermometers.
  6. 14. Which electrical component is connected in parallel to an electrical component (such as a bulb) to measure the potential difference across it?
Down
  1. 1. The SI unit for potential difference
  2. 2. The SI unit for electric current
  3. 4. Which effect of an electric current is utilized by household appliances such as hairdryers and rice cookers to produce warmth?
  4. 5. A safety device commonly found in three-pin plugs, containing a thin wire designed to melt and break the circuit if the current flow exceeds its maximum safe limit
  5. 6. ________ Breaker - A type of safety device, compulsory in homes and buildings in Singapore since 1985, that cuts off electricity supply immediately upon detecting any excess current.
  6. 7. An electrical component that is connected in series within a circuit to measure the flow of current through it
  7. 10. The SI unit for electrical resistance
  8. 11. Cells in our body that can generate electrical signals and transmit information in the form of nerve impulses
  9. 15. What is the common abbreviation for the medical machine that monitors heart rhythms and displays a graph of the heart's electrical activity?