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1、苏州物理模拟In2012,suzhouzhongcaophysicstestpaper(1)(fullmarks:100minutes:100minutes)One,thechoice(2points,24pointsintotal)Thefollowingarethe()Thisisanelectronicdoorbel1.Whentwowireclipscomeintocontact,theelectronicdoorbellhasamusicThesoundisconnectedtothetwoclips,whichcanmakethedoorbellmusic・A.plasticru
2、lerb.pencilC.rubberd.chest(3),asshowninexploringthecurrentintheparallelcircuitrelations,xiaoMingstudentswithcurrentmetertomeasureA,B,CthreecurrentIA=0.4A,respectivelytheIB=0.2A,IC二0.2A,recordthedatainthetable,thenextstepfirstshoulddois()A.organizetheequipmentandfinishtheexperimentChangethelightbulb
3、sofdifferentsizesandmeasureafewsetsofelectricalvaluesC.analyzethedataanddrawtheconclusionD.Changetheothermeterofthemeterandmeasureasetofcurrentvalues4generatorsandmotorsappearedtomakethemassproductionandutilizationofelectricalenergytobecomeareality,humansocietyenteredtheeraofelectrification・Fourass
4、howninthepicture,whichbelongstoelectromagneticinductionphenomenonoftheexperimentandapplicationofgraphis()A.b.b.c.c.d.5.Theconceptof，，green，/toradicallyreduceoreveneliminatepollution,thefollowingleftafterharvestingcropsstrawprocessingmethod,isnotinconformitywiththeconceptof〃〃•八greenis()A.placetheB.A
5、fterfermentationC.processedintobeveragebottlesd.fermentedmethaneIn1964,manmadetheworld，sfirstbeaconofwavepowerTheschematicdiagramshowsthatitworksbyusingtheforceofthewavesupanddownThegaschamber,compressedandthenpushedintothestudio,thenpushestheturbinetogeneratepowerforthegenerator・A.whenthewaterdrop
6、s,thevalveKIopensandthevalveK2closesWhenthewaterrises,thevalveKIclosesandthevalveK2opensTheelectricityusedbythebeaconlightisconvertedbythemechanicalenergyoftheairD.theelectricpowerofthebeaconisconvertedbythemechanicalenergyoftheseawaterThefollowingenergysourcesarenon-renewableenergy()A.windb.waterc
7、.fossilenergyd.solarAfter8.Weknowthattheelectricpower,electricstovewirehotred,andconnectedtotheelectricstovewireconductorisnotveryhot,thereasonforthisisthat()TheresistanceofAwireissmallC.thecurrentofthewire
