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Environ Scie ch21/22

material that allows electrons to flow through it easily conductor
circuit with only one path series circuit
accumulation of electric charges on an object static electricity
device that detects electric charges isotope
tendency of a material to oppose electron flow resistance
material that does not allow electricity to flow through it insulator
circuit with more than one path parallel circuit
voltage electric power
area around electrons that exerts force electric field
pointed metal rod that directs lightning to earth lightning rod
flashlight battery dry cell
current is equal to a potential difference of a current divided by its distance Ohm's law
connected metal plates in a conducting solution wet cell
flow of electrons through a conductor current
closed path through which electrons flow circuit
unit of electric energy kilowatt hour
rate at which electric energy is changed to another energy form potential difference
the opposite ends of a magnet magnetic pulse
a device used to measure electric current ammeter
a device used to measure the potential difference of a circuit voltmeter
a device used to increase or decrease the voltage of a power line transformer
a material that does not have any resistance to the flow of electrons super conductor
current that flows in only one direction through a wire direct current
area around a magnetic where the magnetic forces act is magnetic field
when current in a circuit reveals its direction in a pattern alternating current
the property of matter in which there is a force of attraction or repulsion between unlike or like pulse magnetism
groups of aligned atoms in a magnet magnetic domains
when a current is passed through a current of wire electromagnetic
a device that changes electrical energy to mechanical energy electric motor
a device that produces an electric current by rotating loop of wire in a magnetic field generator
the process by which moving a wire through a magnetic field produces an electric current electromagnetic induction
superconducting trains would not lose ____ to the environment energy
Created by: gcowing