欧姆定律计算器

使用欧姆定律计算电压、电流、电阻和功率。

输入任意两个值即可计算另外两个值

V电压 (V) — 伏特(V)

I电流 (I) — 安培(A)

R电阻 (R) — 欧姆 (Ω)(Ω)

P功率 (P) — 瓦特(W)

V = I × R

P = V × I

P = I² × R

P = V² / R

I = V / R = √(P / R)

R = V / I = V² / P

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