2- Coulomb's Law and the Electric Field
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9 Terms
What does the Superposition Principle state?
The total force on a charge is the sum of the forces exerted by individual charges.
What does Coulomb’s Law describe?
The force between two stationary point charges.
What is the mathematical form of Coulomb’s Law (formula for F) ?
ˆr= Unit vector of length one pointing from Q to q
How does a charge Q exert a force on another charge q?
Q creates an electric field that exerts a force on q.
How is the electric field E defined?
It is the force per unit charge
What is the formula for the electric field due to a point charge Q at the origin?
r^= the unit vector pointing from Q to the location of the field measurement
What does the electric field around a positive charge look like?
What does the electric field around a negative charge look like?
What does the electirc field distribution around an electric dipole look like?
