A.u=439.6sin(ωt+60°)V
B.u=439.6sin(ωt+90°)V
C.u=439.6cos(ωt+90°)v
D.u=439.6sin(ωt+90°)v
A.u=372.3cos(314t+27.5°)V
B.u=372.3cos(314t+27.59)V
C.u=372.3cos(314t-27.50)V
D.u=372.3cos314tV
开始考试点击查看答案A.AC
B.BD
C.AD
D.BC
开始考试点击查看答案A.i=2cos(314t+π/6)A
B.i=2cos(314t-n/6)A
C.i=2cos(314t+π/6)A
D.i=2cos(214t+π/6)4
开始考试点击查看答案A.
B.
C.
D.
开始考试点击查看答案A.
B.
C.
D.
开始考试点击查看答案A.7.07A
B.3.535A6
C.3.535A
D.7.07A
开始考试点击查看答案A.1.12H
B.4.8H
C.1.2H
D.2.4H
开始考试点击查看答案A.(c)最亮(b)最暗
B.(c)最亮(d)最暗
C.(a)最亮(d)最暗
D.(a)最亮(b)最暗
开始考试点击查看答案A.1A
B.A
C.5A
D.7A
开始考试点击查看答案A.2A
B.14A
C.A
D.10A
开始考试点击查看答案长理培训客户端 资讯,试题,视频一手掌握
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