chapter 15 vocab Flashcards
a particle with equal amounts of positive charge and negative charge
electrically neutral
an object that has an unbalanced amount of positive charge or negative charge
electrically charged
the loss of an unbalanced electric charge
electric discharge
a material in which electric charges cannot easily move
electric insulator
a material in which electric charges easily move
electric conductor
the force that two electrically charged objects apply to each other
electric force
an invisible region around any charged objects where an electric force is applied
electric field
the movement of electrically charged particles such as electrons
electric current
a closed or complete path in which an electric current flows
electric circuit
a measure of how difficult it is for an electric current to flow
electric resistance
machines that transform mechanical energy to electric energy
generator
the amount of energy used to move one coulomb of electrons through the circuit
voltage
an object that attracts iron and other materials that have magnetic qualities similar to iron
magnet
any material that a magnet attracts
magnetic material
a push or pull of magnetic field applies to either a magnetic material or electric current
magnetic force
a region in a magnetic material in which the magnetic fields of the atoms all point in the same direction
magnetic domain
a temporary magnet made with a current-carrying wire coil wrapped around a magnetic core
electromagnet