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Charges
Energy and Electric Potential
Electric Fields
Conductors&Insulators
Electric Potential
100
Opposite charges __________
What is attract?
100
Coulomb's Law depends on...
What is charge and distance
100
A test charge is _____
What is positive?
100
In a conductor ____ are allowed to move freely
What are electrons?
100

unit for electric potential

Volt

200

Force between charges of the same sign

What is repulsion?

200
If the distance between the charge doubles the force will be
What is 1/4 as great
200
An electric field has both ______ and ______
What is magnitude and direction?
200
Process of charging an object by bringing a charged object close to another object that is grounded.
What is induction?
200
Electric field strength is measured in by the effect on ____________ located in the field.
What are charges?
300
A coulomb is ______
What is the unit of charge?
300
The elctric force between two charges is strongest when?
when the charges are close together
300
For a positive charge the electric field lines would be drawn how?
pointing out toward infinity
300
Both insulators and conductors can be charged by ____
What is contact?
300

The "flow" of the electric field is "caused" by a difference in __

electric potential

400

When combing your hair, the charge on your hair becomes -3.  ___ is the charge of the brush. 

+3

400
two identical charges are both quadrupled in size. the electric force will be
What is 16 times bigger
400

The arrows of the electric field lines show the ______ of the force on a positive test charge

What is direction?

400

Allows electrons to move freely (type of bond)

What is metallic bond?

400

The electric potential of a test charge that is 10 cm away from the charged plate in an electric field of 20 V/m.

What is 2 V?

500
If an object becomes negatively charged it ____ electrons
What is gains?
500
Coulomb's law follows the _______ _______ law
What is inverse square
500

The electric field between two charged plates that are 60 cm apart and hooked to a 9 volt battery. 

What is 5.4 V/m?

500
A rubbed balloon sticks to a wall because of _____
What is polarization?
500

The electric potential of a 3 C charge that does 6 Joules of work. 

What is 2?