+2.00DC×90°与-2.00DC×l80°联合后得到( ) A.+2.00D
题型:单项选择题
问题:
+2.00DC×90°与-2.00DC×l80°联合后得到( )
A.+2.00DS/-2.00DC×90°
B.+2.00DS/-4.00DC×180°
C.+2.00DS/-4.00DC×90°
D.-2.00DS/+2.00DC×90°
E.-2.00DS/+4.00DC×180°
+2.00DC×90°与-2.00DC×l80°联合后得到( )
A.+2.00DS/-2.00DC×90°
B.+2.00DS/-4.00DC×180°
C.+2.00DS/-4.00DC×90°
D.-2.00DS/+2.00DC×90°
E.-2.00DS/+4.00DC×180°