Electrical Basics

12345678910111213141516171819202122
Across
  1. 6. Heat can act upon a device called a _______ couple to create DC.
  2. 8. Light applied to ________________ materials will produce DC electricity.
  3. 9. The Voltmeter measures the amount of electrical pressure _______________ between two points being measured.
  4. 11. Any material with exactly ______ free electrons in the outer orbit are called SEMICONDUCTORS.
  5. 12. Only the _______ ELECTRONS in the outermost shell (Valance Ring) are free to move from atom to atom.
  6. 14. The _________ produces electricity through chemical action.
  7. 16. A _________ has 1 to 3 free electrons in the outer ring.
  8. 19. Because of their distance from the __________, free electrons have a weak magnetic attraction.
  9. 21. Current flow is measured in units called ____________.
  10. 22. As the sun is in the center of the ______ system.
Down
  1. 1. An ______________ is any material that inhibits (stops) the flow of electrons (electricity).
  2. 2. Everything in the world is made of _________.
  3. 3. These materials are be used in the _________________ of diodes, transistors, and integrated circuit chips.
  4. 4. Conventional theory, also known as ________ theory, states that current flows from POSITIVE to NEGATIVE.
  5. 5. Direct Current (DC) Electron Flow is in only ________ direction.
  6. 7. Higher voltage will produce _________ current flow.
  7. 10. These groups of atoms (molecules) are sometimes called __________.
  8. 13. Electricity in motion, meaning you have __________ flowing.
  9. 15. Normally electrons are prevented from being pulled into the atom by the forward __________ of their rotation.
  10. 17. No voltage can be applied while the ohmmeter is connected, or _________ to the meter will occur.
  11. 18. Matter has three __________: Solid, Liquid, and Vapor.
  12. 20. Conductor material includes ___________ and gold.