与电流相量(4+j3)A对应的正弦电流可写作i =( )。
A: 5 sin(wt+53.1°) A
B: 7.07sin(wt+36.9°)A
C: 7.07sin(wt+53.1°)A
D: 5sin(wt+36.9°)A
A: 5 sin(wt+53.1°) A
B: 7.07sin(wt+36.9°)A
C: 7.07sin(wt+53.1°)A
D: 5sin(wt+36.9°)A
B
举一反三
- 与电流相量对应的正弦电流可写作i=()。 A: (a)5sin(wt+53.1°)A B: (b)sin(wt+36.9°)A C: (c)sin(wt+53.1°)A
- 与电流相量[img=80x27]1803a86abab3268.png[/img]对应的正弦电流可写作 i =( ) A: 5sin(wt+53.1°) B: [img=34x26]1803a86ac332f43.png[/img]sin(wt+36.9°) C: 5sin(wt+36.9°) D: [img=34x26]1803a86ac332f43.png[/img]sin(wt+53.1°)
- 与电流相量[img=80x27]180383d1a61bdf2.png[/img]对应的正弦电流可写作 i =( ) A: 5sin(wt+53.1°) B: [img=34x26]180383d1af0a7ff.png[/img]sin(wt+36.9°) C: 5sin(wt+36.9°) D: [img=34x26]180383d1af0a7ff.png[/img]sin(wt+53.1°)
- 与电流相量[img=80x27]18032fd5bd362c7.png[/img]对应的正弦电流可写作 i =( ) A: 5sin(wt+53.1°) B: [img=34x26]18032fd5c5ade23.png[/img]sin(wt+36.9°) C: 5sin(wt+36.9°) D: [img=34x26]18032fd5c5ade23.png[/img]sin(wt+53.1°)
- 与电流相量[img=80x27]1803977999d9b75.png[/img]对应的正弦电流可写作 i =( ) A: 5sin(wt+53.1°) B: [img=34x26]18039779a296de6.png[/img]sin(wt+36.9°) C: 5sin(wt+36.9°) D: [img=34x26]18039779a296de6.png[/img]sin(wt+53.1°)
内容
- 0
与电流相量[img=80x27]18032fd4cf9b786.png[/img]对应的正弦电流可写作 i =( ) A: 5sin(wt+53.1°) B: [img=34x26]18032fd4d87f162.png[/img]sin(wt+36.9°) C: 5sin(wt+36.9°) D: [img=34x26]18032fd4d87f162.png[/img]sin(wt+53.1°)
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与电流相量[img=80x27]1803a297f836a3e.png[/img]对应的正弦电流可写作 i =( ) A: 5sin(wt+53.1°) B: [img=34x26]1803a2980061b79.png[/img]sin(wt+36.9°) C: 5sin(wt+36.9°) D: [img=34x26]1803a2980061b79.png[/img]sin(wt+53.1°)
- 2
与电流相量[img=68x24]17da7038ab7a425.png[/img]对应的正弦电流可写作i =( )。 未知类型:{'options': ['5cos(wt+36.9°)A', '17da7038c0643b3.pngcos(wt+53.1°)A', '17da7038d3f5707.pngcos(wt+36.9°)A', '5cos(wt+53.1°)A'], 'type': 102}
- 3
【多选题】与u=5 sin(314t+36.9°)V对应的相量为 A. (4+j3)A B. (4-j3)A C. 5∠36.9°A D. (3+j4)A
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f(t)=sin(wt)的象函数为