Across
- 4. unwanted electrical signals introduced into phone lines
- 5. alternate path for current flow
- 6. equipment that allows 2 or more signals over one communication channel
- 7. e=IR
- 9. electro motive force unit
- 10. drop in signal strength between two points
- 11. measured in ohms
Down
- 1. material electrons easily move through
- 2. material that makes current flow extremely difficult
- 3. solid state device in which electrons move through germanium and silicon
- 8. material slows current