[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3ANY0BYj1MiPTMPqdewNEFNgNncGN7xlQBwrRhQiFW0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-12-01 23:04:55",247168986,[8,9,10,11],"magnetic circuit","resistance circuit","capacitive circuit","inductive circuit",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},45,"1ee0524c41359babf33f794b5cc60b3f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","船舶电子电气专业英语2","exam_166731852","7.交流电路基础(选择题)","Voltage will always lead current in a\u002Fan ______",[21,26,35,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],247168988,[30,31,32,33],"purely resistance","capacitive","Mixed","inductive","With a ____load the voltage and current are in phase",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],247168990,[39,40,41,42],"parallel","series","series-parallel combination","simple","The following picture indicates a ___ circuit.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4aa96a633fdb9391c1c7cb26c236c3a3.jpeg\">",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],247168991,[48,49,50,51],"quartered","quadrupled","doubled","unchanged","If the length of a wire is halved and the cross-sectional(横截面积) area is doubled, the resistance will be ______",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],247168993,[57,58,59,60],"hertz","volt","ampere","Watt","The ____ is the international unit for frequency measurement",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],247168995,[66,67,68,69],"The total voltage equals the sum of the individual voltages across each resistance","The total current flow equals the reciprocal of the sum of the individual currents","The total resistance equals the sum of the individual resistance","The total current flow equals the sum of the individual currents","Which of the following statements is true concerning simple parallel resistance circuits",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],247168997,[75,76,77,78],"flame retardant","moisture resistant","low conductivity","oil resistant","Electric cables on board should have features of the following except ______",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":24,"type":25},[],247168999,[84,85,86,87],"a rush","an exciting","a direct","an alternating","The current flowing first in one direction and then in another is called______ current",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":24,"type":25},[],247169002,[93,94,95,96],"coulomb (C)","volts (V)","joule (J)","ampere (A)","The unit of the electrical energy is ________",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":24,"type":25},[],247169005,[102,103,104,105],"inappropriately as its length and inversely as its cross- sectional area","appropriately as its length and directly as its cross-sectional area","inappropriately as its length and directly as its cross- sectional area","appropriately as its length and inversely as its cross-sectional area","The resistance of a conductor varies ______"]