Three conducting loops are situated side-by-side in the plan
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Three conducting loops are situated side-by-side in the plane of the page.A clockwise current flows in the center loop B,and its magnitude is decreasing in time.
The induced currents in loops A and C:
三个导电环摆放在同一平面.B导电环上有一顺时针流动的电流,它的值随时间减少.
在A和C上的感应电流:
A.A顺时针,C逆时针
B.都逆时针
C.都顺时针
D.A逆时针,C顺时针
The induced currents in loops A and C:
三个导电环摆放在同一平面.B导电环上有一顺时针流动的电流,它的值随时间减少.
在A和C上的感应电流:
A.A顺时针,C逆时针
B.都逆时针
C.都顺时针
D.A逆时针,C顺时针
请问这题有图吗
A和C的感应电流应为一顺一逆,顺逆情况要看A和C的位置
再问: 抱歉,我忘记放上图了
再答: 这样的是C 磁场线垂直纸面像里。随着电流减小,通过AC环的磁通量减小。AC环的感应电流作用为补充磁通量,所以感应电流产生的磁场线为垂直纸面向里。所以AC环内电流均为顺时针方向
A和C的感应电流应为一顺一逆,顺逆情况要看A和C的位置
再问: 抱歉,我忘记放上图了
再答: 这样的是C 磁场线垂直纸面像里。随着电流减小,通过AC环的磁通量减小。AC环的感应电流作用为补充磁通量,所以感应电流产生的磁场线为垂直纸面向里。所以AC环内电流均为顺时针方向
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