(4分)如图所示的电路图, 闭合开关后,示数为200mA,的示数为0.6A,请计算L2中电流是多少A?
第30题图 答案:【解析】
已知:I1=200mA I=0.6
求:I2
【解析】
L1的电流I1=200mA=0.2A (1分)
∵L1与L2并联
∴I=I1+I2 1分)
∴L2的电流I2=I—I1=0.6A—0.2A=0.4A (2分)
答:略
【解析】略Shangri-la, which is _______ happy home for the local people, is also ________ home to many birds and animals.A.the; aB./; /C.a; /D./; a