When dry hair is combed with a plastic comb the hair often becomes attracted to the comb and stands up. Why does it not happen with damp hair?
How come when you comb your damp hair, it does not create static electricity?
Static electricity is caused by one material "rubbing" electrons off another material, and because the neither of the materials conduct electricity very well, the charge builds up. Wet hair conducts electricity well enough so that no charge can build up.
How come when you comb your damp hair, it does not create static electricity?
because water has a slight negative charge... and im pretty sure it evens it out.
How come when you comb your damp hair, it does not create static electricity?
The moisture allows charge to flow freely. Pure water does not conduct electricity, but impurities (ions, etc.) allow electrons to flow.
Dry hair does not conduct electricity, so charge builds up.
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