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当电流通过导体时，会产生多种效应，这些效应在我们的日常生活和科技领域中起着重要作用。以下是电流通过导体时的主要效应清单：

1. 热效应
   电流通过导体时，由于导体内的电阻，会将部分电能转化为热能。这种现象被广泛应用于电热器具中，如电暖气和电熨斗。

2. 磁效应
   电流流经导体会产生磁场，这就是电流的磁效应。它是电动机、发电机等电磁设备的重要原理之一。

3. 化学效应
   当电流通过某些液体导体（如电解溶液）时，会引发化学反应。这一效应被广泛应用于电镀、电解提纯金属等领域。

电流的这些效应让我们更深入地了解了电的性质，并为许多技术的发展提供了基础。正是这些效应，推动了现代电气科学和工程的革新与进步。