polarisation for charged object to exert force on insulators

How does polarisation help charged objects exert force on insulators?

Unlike conductors, the electrons in insulators (non-conductors) are bound to the atoms of the insulator and cannot move around freely through the material. However, a charged object can still exert a force on a neutral insulator due to a phenomenon called polarisation. If a positively charged rod is brought close to a neutral insulator such […]

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