如图变压器是理想变压器,求电流i 一个理想变压器的线圈绕向如图甲所示.右线圈输入电流i i –...
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次边的6ohm电阻折射到原边,相当于24ohm,所以原边电流=18/(12+24)=0.5A
据此,次边电流=2X0.5A=1A
电流方向:从原边同名端进去,从次边同名端出来,为+
电流是0,直流电源无法通过变压器变压。
请参考
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