本题目来源于试卷: .Resistor.,类别为 美国物理杯赛(Physics Bowl)
[单选题]
96.16: When two resistosm4sfb mu4kdf.* ty4 5rs, having resistance R1 and R2,cw 7 5)+lg4o5qobh zi2 h:uzqy are connected in parallel, the equivalent lob:hz75+54zgh w)i c q2qouyresistance of the combination is 5Ω . Which of the following statements about the resistances is correct?
A. Both R1 and R2 are greater than 5Ω .
B. Both R1 and R2 are equal to 5Ω .
C. Both R1 and R2 are less than 5Ω .
D. The sum of R1 and R2 is 5Ω .
E. One of the resistances is greater than 5 W, one of the resistances is less than 5 W.
参考答案: A
本题详细解析:
暂无
|