右图为我国某中学一教室墙上有一朝南的窗户,窗高为1.2m,宽0.75m,

右图为我国某中学一教室墙上有一朝南的窗户,窗高为1.2m,宽0.75m,边缘部分是不锈钢材质。已知该处地磁场的磁感强度的水平分量为5×105T,则穿过该窗框平面的磁通量为     Wb;当由把钢窗左侧向内拉开(如图所示)时,窗框中的感应电流方向是      。(从拉窗人的角度来看是“顺时针”还是“逆时针”)

 

答案

       逆时针

解析:

 

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