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u=10sin(ωt-30°) u=14.14sin(ωt+30°) u=10sin(ωt+30°) u=sinωt
υA=311sin(ωt-120°),υC=311sin(ωt+120°) υA=311sinωt,υC=311sin(ωt+120°) υA=311sin(ωt+90°),υC=311sin(ωt-90°) υA=311sin(ωt+90°),υC=311sin(ωt+210°)
10 sin (314t+53.1 °) 10 sin (314t+36.9 °) 10sin (314t+53.1 °) 10sin (314t+36.9 °)
uC=500sin(100πt+45°)V; uC=500sin(100πt-90°)V; uC=500sin(100πt-135°)V; uC=500sin100πtV。
i=5sin(ωt-π/4)A i=52sin(ωt+π/4)A i=10sin(ωt-π/4)A i=52sin(ωt-π/4)A
α<β sinα>sinβ tanα>tanβ cotα
100sin(50t+30°) 141.4sin(50πt) 200sin(100πt+30°) 200sin(50πt+30°)
vA=311sin(ωt-120°),vC=311sin(ωt+120°) vA=311sinωt,vC=311sin(ωt+120°) vA=311sin(ωt+90°),vC=311sin(ωt-90°) vA=311sin(ωt+90°),vC=311sin(ωt+210°)
700sinωt 500sinωt 100sinωt 50sinωt
μ C=500 2 sin(100 πt 十 45°)V μ C=500 2 sin(100 πt-90 °)V μ C=500 2 sin(100 πt-135 °)V μ C500 2 sin100 πtV。