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Giancoli Physics - Chapter 16
Electric Charge and Electric Field
7
Physics
Undergraduate 2
07/05/2008

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Cards

Term
Law of Conservation of Charge
Definition
The net amount of electric charge produced in any process is zero; no net electric charge can be created or destroyed.
Term
Insulator
Definition
Material with electrons bound very tightly to the nuclei.
Term
Conductor
Definition
Material with some electrons (free or conduction) bound very loosely and can move about freely within the material (note, they can not leave the object easily)
Term
Coulomb's Law
Definition

The force one object exerts on a second object is proportional to the product of the magnitudes and inversely proportional to the sqaure of the distance:

 

F=k (Q1 Q2)/r2

Term
Proprotionality Constant k
Definition
8.988 x 10^9 N x m2/C2
Term
Elementary Charge
Definition
1.602 x 10^-19 C
Term
Electric Field
Definition

Any point in space is defined as the force F exerted on a tiny positive test charge placed at that point divided by the magnitude of the test charge q, where

 

E = F/q

 

E may be described as the force per unit charge and has the units N/C

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