2026年9月国际B卷 · 第 8 题

2026年9月国际B卷 · 原库模块 2 · Q8 参考答案

When several resistors are connected in series in a circuit, the total resistance of the circuit is the sum of the resistances of these resistors. A certain circuit consists of 9 resistors connected in series, where the resistance of each resistor is positive. This circuit has a total resistance of 80 ohms. The total resistance of 4 resistors in this circuit is 50 ohms. Which inequality best represents all possible values of the resistance x, in ohms, of one of the other 5 resistors in this circuit?

2026年9月国际B卷 · 第 8 题

解题思路

联系老师