electric A: adj. 电的;电动的 B: adj. 视情况而定的 C: adj. 单调的;乏味的 未知类型:{'url': 'https://nodestatic-ali.fbstatic.cn/static-files/1625560078433_electric', 'audioId': '1625560078433_electric', 'duration': 1, 'type': 185}
electric A: adj. 电的;电动的 B: adj. 视情况而定的 C: adj. 单调的;乏味的 未知类型:{'url': 'https://nodestatic-ali.fbstatic.cn/static-files/1625560078433_electric', 'audioId': '1625560078433_electric', 'duration': 1, 'type': 185}
Nowadays, such electric ______ as electric cookers, electric heaters, electric ovens are getting into ordinary homes. A: instruments B: appliances C: equipment D: apparatuses
Nowadays, such electric ______ as electric cookers, electric heaters, electric ovens are getting into ordinary homes. A: instruments B: appliances C: equipment D: apparatuses
Both electric field E and electric potential V can describe the characteristics of a field. If the electric potential at a certain point is zero, the electric field at that point has to be zero.
Both electric field E and electric potential V can describe the characteristics of a field. If the electric potential at a certain point is zero, the electric field at that point has to be zero.
BEV/EV (Battery Electric Vehicle/ Electric Vehicle):____
BEV/EV (Battery Electric Vehicle/ Electric Vehicle):____
Electric heaters have the electric energy _____________ (transform) into heart.
Electric heaters have the electric energy _____________ (transform) into heart.
This heater consumes _______________ that one does. A: electric power twice as great as B: greater twice electric powe C: twice as great electric power as D: twice greater electric powe
This heater consumes _______________ that one does. A: electric power twice as great as B: greater twice electric powe C: twice as great electric power as D: twice greater electric powe
4-3。What is the working principle for LED?( ) A: convert electric to light B: convert light to electric C: convert electric to heat
4-3。What is the working principle for LED?( ) A: convert electric to light B: convert light to electric C: convert electric to heat
(10分)This heater consumes _______________ that one does. A: greater twice electric power B: electric power twice as great as C: twice as great electric power as D: twice greater electric power
(10分)This heater consumes _______________ that one does. A: greater twice electric power B: electric power twice as great as C: twice as great electric power as D: twice greater electric power
electric
electric
The inductance of an electric device is independent of the electric current it carries. A: 正确 B: 错误
The inductance of an electric device is independent of the electric current it carries. A: 正确 B: 错误