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# Connie's class

### Unit 2 9/18/ Notes

What is electricity Penomena associated with stationary and moving positive and negative charges
What are the two types of electricity Current and Static
Electricity in motion Current Electricity
What kind of charges does current electricity have Dynamic charges
Electricity in rest Static Electricity
Triboelectricity Static Electricity
Study of stationary electric charges Electrostatics
The unit used to measure a static charge Coulomb (C)
Coulomb Fixed (constant) number of positive or negative charges
1C= 63x10^18 charges or 6,300,000,000,000,000,000
Electrification Process of applying a positive or negative charge to a neutral object through the transfer of electrons
What must happen to make a neutral object become negative Electrons must be added to the object
What must happen to make a neutal object become positive Electrons must be removed from the object
What surrounds every charged object Electrostatic field
What is the charge of an electrostatic field surrounding a charged particle The same as the charge on the object producing the field
What is the area of an electrostatic field The field area is determined by the intensity (quantity) of the chargeThe greater charge produces a larger field
When is an object said to be grounded When it is physically connected to the earth (ground) using material that will permit electrons to easily move between the earth and the object
What is the primary goal of grounding throughout any facility Safety(Personal and/or Equipment)
An object that is positive has a deficiency of what Electrons
If a positive object is grounded where will the electrons move From the earth to the positive object until the positive object is neutralized
If a negative object is grounded where will the electrons move From the object into the earth until the object is neutralized
Created by: lclack04

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