名词
中文翻译：潜在差值
同义词：
['voltage difference', 'potential gradient']
例句：
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1.The electric current is the driving force behind the potential difference between the two plates.
电流是两块板之间电位差的动力来源。
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2.The potential difference between the two electrodes determines the strength of the electric field.
两个电极之间的电位差决定了电场的强度。
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3. The potential difference across a resistor can be used to calculate its resistance.
电阻器两端的电位差可以用来计算其电阻。