Sometimes clothes cling together when removed from a dryer. What kinds of charges are on the clothes?

Static electricity is the buildup of electric charge on the surface of objects, which occurs when electrons are transferred between materials through friction. In the context of clothes in a dryer, this transfer can lead to an imbalance of charges, causing some items to become positively charged and others negatively charged, resulting in attraction between them.

Electrostatic forces are the interactions between charged objects. Like charges repel each other, while opposite charges attract. When clothes with different charges come into contact, they can cling together due to these attractive forces, which is why you may notice them sticking when removed from the dryer.

Different materials have varying tendencies to gain or lose electrons, which is described by the triboelectric series. This series ranks materials based on their ability to become charged through friction. Understanding which materials are more likely to become positively or negatively charged helps explain why certain fabrics cling together after being dried.