有一10匝正方形线框,边长为20cm,线框总电阻为1Ω,线框OO′轴以10πrad/s的角速度匀速转动,如图所示,垂直于线框平面向里的匀强磁场磁感应强度为0.5T,问:
My favourite ____ is ice cream, but I ____have ____ ____ every day.