It happens BECAUSE it’s non-conducting. When two objects rub against one another, electrons can be transferred from one to the other. If a material conducts, the electrons dissipate through it, massively reducing the charge density to the point where there’s not enough of an imbalance to cause a shock. An insulator, however, will not allow the charge to move through it so it builds up on that point, causing the jump of electrons when you come near it.
It happens BECAUSE it’s non-conducting. When two objects rub against one another, electrons can be transferred from one to the other. If a material conducts, the electrons dissipate through it, massively reducing the charge density to the point where there’s not enough of an imbalance to cause a shock. An insulator, however, will not allow the charge to move through it so it builds up on that point, causing the jump of electrons when you come near it.
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