Test #2 Review - Chapter 6 Flashcards
An atom that has gained electrons.
Positive Ion
An atom that has lost electrons
Negative Ion
The unit for electric resistance.
Ohm
Many loops of wire formed into a cylindrical coil.
Solenoid
Two ways that objects gain static electricity.
Friction and Induction
The unit for potential electric charge.
Voltage
Moving electrons change magnetic fields and changing magnetic field move electrons.
Electromagnetic Induction
Makes a material a good insulator.
Many small air spaces.
The unit for electric current
Amperage
Device used to measure electric current that is generated by a changing magnetic field.
Galvanometer
At the most fundamental level electricity is…
Moving Electrons
Material used to conduct electricity in cities and homes.
Copper
Concept that explains why certain materials are influenced by magnetic fields when others are not.
Electromagnetic Induction
Scientists whose experiments led to the theory of electron charge.
J.J. Thompson
Type of current that is used to power household electrons.
Alternating Current
