一正弦交变电动势e<sub>1</sub>=√2sin(314t+30°),则该交变电动势的初相位是()
A、A.314t+30°
B、B.314t
C、C.300
D、D.220
A、A.314t+30°
B、B.314t
C、C.300
D、D.220
A、E<sub>2sub>=-2E<sub>1sub> B、E<sub>2sub>=2E<sub>1sub> C、E<sub>2sub>=-E<sub>1sub> D、E<sub>2sub>=E<sub>1sub>
A、E0<sub>2sub>=-2E0<sub>1sub> B、E0<sub>2sub>=2E0<sub>1sub> C、E0<sub>2sub>=-E0<sub>1sub> D、E0<sub>2sub>=E0<sub>1sub>
A、ε<sub>2sub>>ε<sub>1sub> B、ε<sub>2sub><ε<sub>1sub> C、ε<sub>2sub>=ε<sub>1sub> D、A、B、C都不成立
A、E<sub>1sub>=E<sub>2sub>;K<sub>1sub>=K<sub>2sub> B、E<sub>1sub>≠E<sub>2sub>;K<sub>1sub>=K<sub>2sub> C、E<sub>1sub>=E<sub>2sub>;K<sub>1sub>≠K<sub>2sub> D、E<sub>1sub>≠E<sub>2sub>;K<sub>1sub>≠K<sub>2sub>
A、a<sub>1sub>〉a<sub>2sub> B、a<sub>1sub>=a<sub>2sub> C、a<sub>1sub>〈a<sub>2sub> D、a<sub>1sub>和a<sub>2sub>可取任意值
A、-(2RT/F)ln(γ<sub>±,1sub>m<sub>1sub>/γ<sub>±,2sub>m<sub>2sub>) B、-(2RT/F)ln(γ<sub>±,2sub>m<sub>2sub>/γ<sub>±,1sub>m<sub>1sub>) C、-(RT/F)ln(γ<sub>±,1sub>m<sub>1sub>/γ<sub>±,2sub>m<sub>2sub>) D、-(RT/F)ln(γ<sub>±,2sub>m<sub>2sub>/γ<sub>±,1sub>m<sub>1sub>)
A、E1257;<sub>1sub>= E1257;<sub>2sub>、K1257;<sub>1sub>= K1257;<sub>2sub> B、E1257;<sub>1sub>≠E1257;<sub>2sub>、K1257;<sub>1sub>=≠K1257;<sub>2sub> C、E1257;<sub>1sub>≠E1257;<sub>2sub>、K1257;<sub>1sub>== K1257;<sub>2sub> D、E1257;<sub>1sub>= E1257;<sub>2sub>、K1257;<sub>1sub>=≠K1257;<sub>2sub>