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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 |