本题目来源于试卷: .Resistor.,类别为 美国物理杯赛(Physics Bowl)
[单选题]
02.23: An ideal battery, an ideal ammeter, dt6d(z 3 8r2)/qtwwuaf +os av a switch and three resistors are co gsxrw;swz-25nnected as shown. With the switch open as shown in the z;s5wwr sx2g- diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?
A. $1.1 A$
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
|