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]
96.16: When two resistorpvus( p6 o7xe--g:txll2x /pi y3imd9u:y/em s, having resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω :i /iply / 3dey2x9umm. 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:
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