使用此欧姆定律计算器查找电压（V），电流（I）或电阻（R）。输入任意两个值，并且计算器将确定缺失的值。非常适合学生，工程师以及使用电路的任何人。
欧姆法律计算器
免费电阻解码轮下载
使用这个可打印的电阻解码轮轻松解码电阻值！这个方便的工具可以通过对齐颜色带，快速确定4带电阻的电阻值。
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Peltier cooling plate.
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TEC1 12706 Peltier Cooling Plate
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Digital LED 100V Voltmeter, 10A Ammeter, Panel mount volt amp meter
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