正常运行条件下的电流互感器和电压互感器,电流互感器铁心中的磁感应强度要比电压互感器中低的多
参考答案:对
解析:
知识点:二次回路
______ of the parents has confirmed it was their child’s fault to be late for class, saying the school bus came later than usual.
A.Both
B.Either
C.None
D.Neither
有以下程序段: int k=0; while(k=1)k++; while循环执行的次数是______。
A.无限次
B.有语法错,不能执行
C.一次也不执行
D.执行1次