本题目来源于试卷: Electricity and Circuits: Resistor,类别为 美国物理杯赛(Physics Bowl)
[单选题]
02.23: An ideal battery, an ideal ammeter, a switch and three uh04 :zqh d(hx res im b,mkg ehf-d vi,2sx,/9by5istors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 i b,k bh-d/9m y,5 e2xvsfgm,iamperes.
When the switch is closed, what would be the current in the circuit?

A. $1.1A$
B. $1.7 A$
C. $2.0 A$
D. $2.3 A$
E. $3.0 A$
参考答案: D
本题详细解析:
暂无
|