Across
- 3. a rapid and interrupted current, changing directions 60 times per second
- 5. refers to the poles of an electric current, positive or negative
- 8. current is a constant and direct current
- 9. any material that conducts electricity
Down
- 1. measures the pressure or force that pushes electric currents forward through a conductor
- 2. a constant, even flowing current that goes in one direction, produced by chemical means
- 4. measures the strength of an electrical current
- 6. measures the resistance of an electrical current
- 7. material that does not transmit electricity