• 2022-06-09
    某正弦交流电压的有效值为[tex=2.286x1.0]RRoYk3LFR0Qm5HR1dB2MCQ==[/tex],频率为[tex=2.357x1.0]32ElHdakdu1TgJ2VJRH6jA==[/tex],在[tex=1.643x1.0]MVeOYouc7e3FvU1m5bCV6w==[/tex]时的值[tex=4.929x1.357]qDdBkkGYRPYC1U/NFVQ8NQ==[/tex],该正弦交流电压的表达式为(      )
    未知类型:{'options': ['[tex=7.429x1.286]3KajjjKYA23uNqEsXC/n+xOEU/38bDOPU9ka/DY3r1A=[/tex]', '[tex=10.929x1.286]GDuZNZQmNji/8WAI8IQo5PIkqnwLdRM1XqMQdi4npqRsSO2N3DmqkPH5H3PdGWoG[/tex]', '[tex=10.929x1.286]GDuZNZQmNji/8WAI8IQo5Hqi7LGwDHuxRCJenuQOg2wE9W+klp1n8Ffv2KUGE8u9[/tex]'], 'type': 102}
  • 举一反三