Chapter 20 Vocabulary
Electroscope
A device used to determine charge
Plasma
A gas like state of negatively charged electrons and positively or negatively charged ions
Charged
An object that exhibits electrical interaction after rubbing is said to be...
Insulator
Conductor or Insulator...Glass
Conductor
Conductor or Insulator...a material through which charges move about easily
Conductor
Conductor or Insulator...air as a plasma
Conductor
Conductor or Insulator...aluminum
Insulator
Conductor or Insulator...an object, held at the midpoint and rubbed only one end, becomes charged only at the rubbed end
Conductor
Conductor or Insulator...charges applied to one area spread quickly over the entire object
Insulator
Conductor or Insulator...charges removed from one area are not replaced by charges from another area
Conductor
Conductor or Insulator...copper
Insulator
Conductor or Insulator...dry air
Insulator
Conductor or Insulator..A material through which a charge will not move easily
Static Electricity
Electricity caused by rubbing is...
Charging by Conduction
Giving a neutral body a charge by touching it with a charged body
Insulators
Materials through which charges will not move easily are electrical...
Elementary Charge
The magnitude of the charge of an electron
Coulomb's Law
The magnitude of the force between charge qA and charger qB, separated by a distance, is proportional to the square of the distance
Electrostatistics
The study of electrical charges that can be collected and held in one place is...
Insulator
Conductor or Insulator...dry wood
Conductor
Conductor or Insulator...graphite
Insulator
Conductor or Insulator...most plastics
Conductors
Materials that allow charges to move about easily
Charging by Induction
Separating the charges in an object without touching the object
Coulomb
The SI standard unit of charge
Neutral
The positive charge in...objects exactly balances the negative charge
Attract
Two objects with opposite charges...
Repel
Two objects with the same type of charge...
Positive and Negative
Two type of charges are...