Science Vocab Ch. 20

16 terms by ActingAllie 

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MS.REID MPCS 6TH GRADE

resistance

in physical science, the opposition presented to the current by a material or device

cell

in electricity, the device that produces an electric current by converting

thermocouple

a device that converts thermal energy into electrical energy

photocell

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

voltage

the potential difference between 2 points; measured in volts

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