![ohm造句怎么写]( "ohm造句怎么写")
- Theelectricresistanceismeasuredinohm.Suchatheoreticaldevicewouldhaveazeroohmoutputimpedanceinserieswiththesource.AlltheLEDsareconnectedinparallelwitha100-ohmresistorinserieswitheach.Areal-worldvoltagesourcehasaverylow,butnon-zerooutputimpedance:often...
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