16 terms

Science Vocab Ch. 20

in physical science, the opposition presented to the current by a material or device
in electricity, the device that produces an electric current by converting
a device that converts thermal energy into electrical energy
a device that converts light energy into electrical energy
electric power
the rate at which electric energy is converted into other forms of energy
series circut
a circut in which the parts are joined one after the other such that the current in each part are the same
parallel circut
a circut in which the parts are joined in branches such that the partial difference across each part is the same
law of electric charges
states that like charges repel, or push away, and opposites attract
electric force
the force of attraction or repulsion on a charged particle that is due to an elecric field
electric field
space around a charged object where another charged obkect experiences electric force
electric conductor
material in which charges can move freely
electric insulator
material where charges cannot move freely
static electricity
electric charge at rest, produced by friction or induction
electric discharge
the release of electricity stored in an object
electric current
the rate at which charges pass through a given point; measured in amps
the potential difference between 2 points; measured in volts