Physics - Static Electricity

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When two bodies are rubbed together, they may become electrically charged when one of them electrons to the other body. The body that loses electrons becomes charged, while the body that gains electrons becomes charged. A substance through which electric charge can flow is called a , while a substance that does not allow electric charge to flow is called an . The unit of electric charge is the .
The leaf may be used to detect charge and to test whether a charge is positive or negative.
All static charge will reside on the of a conductor, and the most charge will gather on any part of the conductor. When a very large charge builds up on a pointed part of a conductor, point may take place.
Coulomb's Law states that the force of attraction or repulsion between two point charges is to the product of their charges and proportional to the of their distance apart. The size of the force is the on both charges and along the line joining both charges.
An electric is a region in space where an electric charge at rest will experience a force. An electric field line is a line showing the a positive charge would move if free to do so. The electric field at a point is the force per unit charge at that point. Its unit is the per coulomb.