半径为[tex=0.786x1.0]as0RCzgUx1oS48cKHRAVVg==[/tex]的圆柱形无限长载流直导线置于均匀无限大磁介质之中,若导线中流过的恒定电流为[tex=0.786x1.214]qr392iXtcOnxtfryYej8Nw==[/tex] 磁介质的相对磁导率为 [tex=5.071x1.357]L9Nch4OXBKxQYwl8l8q8KcvbCwEvuP9b23wOhhuPYD1aq5sIie0LtU94uv09xAfO[/tex]则磁介质内磁场强度的大小为
未知类型:{'options': ['[tex=5.571x1.357]DmlcrNCkBpfFObxF+2eTVi8Sd9vSg8ng005cnOXBTvV5+WfHuaA+yvvfDDlyaZUu[/tex]', '[tex=2.5x1.357]CsuqmBhzEHYciLVNNAYA7Q==[/tex]', '[tex=3.429x1.357]X2HqPDJrsQp1mshaA95FKlJpCAgclykDh6Qf6gDEB9g=[/tex]', '[tex=3.429x1.357]ozU8CA+v1V9qM2Y3Wd0+LyBNPIlColoxa6xjScfec0w=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=5.571x1.357]DmlcrNCkBpfFObxF+2eTVi8Sd9vSg8ng005cnOXBTvV5+WfHuaA+yvvfDDlyaZUu[/tex]', '[tex=2.5x1.357]CsuqmBhzEHYciLVNNAYA7Q==[/tex]', '[tex=3.429x1.357]X2HqPDJrsQp1mshaA95FKlJpCAgclykDh6Qf6gDEB9g=[/tex]', '[tex=3.429x1.357]ozU8CA+v1V9qM2Y3Wd0+LyBNPIlColoxa6xjScfec0w=[/tex]'], 'type': 102}
举一反三
- 半径为 [tex=0.786x1.0]AOSTmhvIsOwsdZlGoks7dg==[/tex] 的圆柱形无限长载流直导体置于均匀无限大磁介质之中,若导体中流过的恒定电流为 [tex=0.5x1.0]3EF1VcotinZAjtQqtSWaxw==[/tex], 磁介质的相对磁导率为 [tex=4.071x1.357]DTZOANiZ9UzApupSaXHA/Tl3qyZM4IHwtzCiFkMP0FjKk6Rcs/S8VQvuuxvQYN6P[/tex], 则磁介质内的磁化强度为 未知类型:{'options': ['[tex=6.571x1.357]BMbfHXW/mCB7WAvEMsBZeBuanb5i2mqSIBy0E6A2VDLvHBwKq3Ut1PMCFApd+/gH[/tex]', '[tex=5.643x1.357]vVnDxkRCimua4Yoxt0D6LHD616unRdZBeq+pobHqx/bPVkKmu0lvqmh7SNR2AZ5y[/tex]', '[tex=3.429x1.357]X2HqPDJrsQp1mshaA95FKlJpCAgclykDh6Qf6gDEB9g=[/tex]', '[tex=3.429x1.357]ozU8CA+v1V9qM2Y3Wd0+L4HKf0maZXOn/hcQyb2UWS4=[/tex]'], 'type': 102}
- 一根无限长的直圆柱形导线, 外包一层相对磁导率为[tex=0.929x1.0]kko0Z4sSuKPdPFzr7JxO+A==[/tex] 的圆筒形磁介质,导线半径为 [tex=1.143x1.214]WB5oUFU97imVoOqmwwnMtg==[/tex], 磁介质的外半径为[tex=1.143x1.214]akFdfHl3PdcRxRUQleHWdA==[/tex], 导线内有电流 [tex=0.5x1.0]3EF1VcotinZAjtQqtSWaxw==[/tex] 通过, 求:磁介质内、外的磁场强度和磁感强度的分布。
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 设[tex=0.929x1.0]9MCaa3NdBrky4bnBPtTtgw==[/tex]为四阶矩阵,且[tex=3.429x1.357]dYcL9NtiYXHAsxWaaTXNyg==[/tex],则[tex=3.643x1.357]K61mVROvnMmG4VfTKldoUJpacWgNjgbg3TOLujupPak=[/tex] 未知类型:{'options': ['0', '1', '2', '3'], 'type': 102}
- 判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]