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m.lenz vocab
vocabulary electricity unit
Term | Definition |
---|---|
static electricity | a charged produced by rubbing or touching objects together |
unbalanced charges | a more correct term for static electricity, because the charges are not stationary |
laws of charges | laws that describe the behavior between charged and uncharged objects 1.unlike charges attract 2.like charges repel 3.charged objects attract uncharged objects |
conductors | materials that allow charges to move freely (most metals) |
super conductors | materials that offer little or no resistance to the flow of charges |
grounding | connecting an object to earth with conducting wire to safely rebalance a charge |
ammeter | an instrument used to measure large currents |
galvanometer | an instrument used to measure very weak currents |
voltmeter | an instrument used to measure voltage |
resistance | the property of a substance that hinders motion of electric charge and converts electric energy into other forms of energy |