Science 9 2.3 Analyzing and Building Electrical Circuits

123456789101112131415161718192021222324252627
Across
  1. 2. A microcircuit is often called a _____________
  2. 4. A _____________ provides a path for current
  3. 7. Adding extra resistors in parallel actually decreases the total _______ of the circuit
  4. 12. Stores electricity (large bar is positive)
  5. 13. A _________ converts electricity to mechanical energy
  6. 14. Before the 1950's ________tubes were used to control current
  7. 15. A name given to a combination of cells
  8. 16. A _________ controls the amount of current in a circuit
  9. 17. Devices that allow current to flow when they are exposed to light
  10. 20. A drawing made with electrical symbols is called a _________
  11. 21. This measures voltage across a device in a circuit
  12. 22. In schematic diagrams, conductors are drawn as ________ lines
  13. 25. These are a type of solid-state components used in microchips
  14. 26. In a ________ circuit, there is only one path for current
  15. 27. A ___________ melts if current in circuit is too high
Down
  1. 1. In a series circuit, if you add an extra light, every light shines somewhat _________
  2. 2. Also known as integrated circuits
  3. 3. A ___________ converts electrical energy into another energy form
  4. 4. Fig 2.29 show a ______________ switch
  5. 5. In ___________ circuits, each component has its own path for current
  6. 6. A _________ converts electricity to light
  7. 8. A _______________ controls current flow, turning it off and on
  8. 9. In schematics, _____________ are used to show direction of current flow
  9. 10. There are _________basic parts of an electrical circuit
  10. 11. Toy robots are controlled by ________________ circuits
  11. 16. Another name for a variable resistor is a _____________
  12. 18. A typical ________ will have many parallel circuits
  13. 19. These are constructed with three layers of specially treated silicon
  14. 23. This measures amount of current in a circuit
  15. 24. A ______________ provides energy and a supply of electrons