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