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vocab 17&18

law of electric charges the law that states that like charges repel and opposite charges attract
electric force the force of attraction or repulsion on a charged particle that is due to an electric field
electrical conductor a material in which charges can move freely
electrical insulator a material in which charges cannot move freely
static electricity electric charge at rest; generally produced by friction or induction
electric discharge the release of electricity stored in a source
electric current the rate at which charges pass through a given point; measured in amperes
voltage the potential difference between two points; measured in volts
resistance in physical science, the opposition presented to the current by a material or device
cell in physics, in electricity, a device that produces an electric current by converting chemical or radiant energy into electrical energy
thermocouple a device that converts thermal energy into electrical energy
photocouple a device that converts light energy into electrical energy
electric power the rate at which electrical energy is converted into other forms of energy
series circuit a circuit in which the parts are joined one after another such that the current in each part is the same
parallel circuit a circuit in which the parts are joined in branches such that the potential difference across each part is the same
magnet any material that attracts iron or materials containing iron
magnetic pole one of two points, such as the ends of a magnet, that have opposing magnetic qualities
magnetic force the force of attraction or repulsion generated by moving or spinning electric charges
electromagneticism the interaction between electricity and magnetism
solenoid a coil of wire with an electric current in it
electromagnet a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil
electric motor a device that converts electrical energy into mechanical energy
electromagnetic induction the process of creating a current in a circuit by changing a magnetic field
electric generator a device that converts mechanical energy into electrical energy
transformer a device that increases or decreases the voltage of alternating current
Created by: kfran0112