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ZX-B5A73215AB2023年5月练习卷(易) · 第 5 题
2023年5月练习卷(易) · 原库模块 1 · Q5 原库参考解析
For a certain circuit, its power \( P \), in watts; current \( C \), in amperes; voltage \( V \), in volts; and resistance \( R \), in ohms, are related as \( \frac{CV^2}{P}=\sqrt{PR} \) , where \( P \), \( C \), \( V \), and \( R \) are positive. When = 28, which equation correctly expresses \( P \) in terms of \( C \) and \( V \) ?
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