Chapter 15 Flashcards
Electricity and Magnetism
a particle with equal amounts of positive charge and negative charge
electrically neutral
the condition of having an unbalanced amount of positive charge or negative charge
electrically charged
the process of an unbalanced electric charge becoming balanced
electric discharge
A material in which electric charges connot 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
the invisible region around a charged object where an electric force is applied
electric field
the movement of electrically charged particles
electric current
a closed, or complete, path in which an electric current flows
electric circuit
a machine that transforms mechanical energy to electric energy
generator
a measure of how difficult it is for an electric current to flow in a material
electric resistance
the amount of energy used to move one coulomb of electrons through an electric current
voltage
an object that attracts iron
magnet
any material that a magnet attracts
magnetic material
the fore that a magnet applies to another magnet
magnetic force
region in a magnetic material in which the magnetic fields of the atoms all point in the same direction
magnetic domain
a magnet created by wrapping a current-carrying wire around a ferromagnetic core
electromagnet