[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5v8_WT7yOd5dpfre93rr5FLU5taevycL8iM-gtplgls":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-01-07 20:15:03",306092047,[8,9,10,11],"watts","volts","joules","amperes",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},47,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","48514e26e32f4cff924811a8e650fadd","新建作业20260107201440","Electric current is the time rate of charge, measured in",[21,32,35,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],306092046,[25,26,27,28],"negative charges","positive charges","any charge","protons","It is conventional to take the current flow as the movement of","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],306092048,[39,40,41,42],"current","power","voltage","potential","The energy required to move a unit charge through an element is",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],306092049,[48,49,50,51],"voltage polarity","current direction","power flow","absorbed power","The plus (+) and minus (-) signs in an electric circuit diagram are used to define",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],306092050,[57,58,59,60],"supplied","absorbed","generated","transferred","According to the passive sign convention, if the power has a plus sign, power is by the element",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],306092051,[66,67,68,69],"the capacitor","the inductor","the resistor","the dependent source","The circuit element used to model the current-resisting behavior of a material is",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],306092052,[75,76,77,78],"equal to","directly proportional to","inversely proportional to","different from","Ohm's Law states that the voltage across a resistor is the current flowing through the resistor",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],306092053,[84,85,86,87],"a linear resistor","a constant resistor","a nonlinear resistor","a time-varying resistor","A resistor whose resistances vary with its current is known as",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],306092054,[93,94,95,96],"An open circuit","A short circuit","A resistive circuit","An inductive circuit","is a circuit element with resistance approaching infinity",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],306092055,[102,103,104,105],"1200 Ω","120 Ω","12 Ω","1.2 Ω","An electric heater draws 10 A from a 120V line. The resistance of the heater is"]