在20s内通过某导体横截面的电荷量是40C,则通过该导体的电流是______A.
通过导体的电流I=qt=40C20s=2A
故答案为:2A.
—When shall we go to Yunnan?
—Let’s ______ it ______ Monday. [ ]
A. make; in
B. meet; on
C. make; on
D. meet; in
在离心泵的型号表达式40FM1-26中,数字和字母各代表什么含义?