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P=v2/r or p=i2r.....help??? - Answers - Yahoo
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日期:2026-04-24
2008年2月11日 - Both can be used, But if you wanna use the i2r, that circuit must have the ... P power, U potential difference at the ends of the circuits, R resistence. ... Which of these is in correct in ohms law P=V2/R P=IV P=12R P=IR?...看更多
















