CHARGE (in terms of e and p)
An electrically neutral atom is an atom which....
What is balance of protons and electrons
Materials through which electrons can move easily are classified as...
What is a conductor
Electric force in an electric field is measured in what?
Newtons
The q value in Coulombs equation is in units of what?
Coulombs
This is the only thing in Coulomb's equation that never changed
What is a constant (k)
An electrically charged atom can be distinguished from an electrically neutral atom in that the charged atom
What is imbalance of protons and electrons (unequal)
Insulators are different than in that insulators...
What is do not allow charge to freely move/migrate to the point of charge
In the equation F = qE, what is the q ?
The charge in Coulombs
The unit r in Coulombs equation is in units of what?
meters
How does the force change when both charges are doubled and the distance is doubled
What is remains the same/one
This is the name of an atom that has an unbalanced number of electrons and protons, resulting in a charge
What is an ion
What happens to electrons when charging two objects by rubbing them together
Some of the electrons must have transferred to the other object
Electric Field, E has what kind of displacement units in it?
meters
The F is measured in units of what in Coulombs equation?
newtons
Decreasing the charge of the objects has this effect on the electric force
What is decreases the force
-1.602 x 10-19 Coulombs is the charge of what?
1 electron
Rabbit fur is rubbed against a glass rod, which of these receives extra electrons?
the fur gets more electrons
Electric field is measured in what two units?
Newtons and coulombs
If you double q2 and keep r the same, what happens to the force between charges?
doubles
increasing the force but maintaining the distance between charges means what has to change?
the charges have to increase
The charge of 2 protons
+3.2 x 10-19 Coulombs
When a glass rod is rubbed with silk what is the net new charge on the glass rod?
positive
A particle is producing a net force of 100 Newtons downward and is being levitated by an electric field of strength 1000 N/C, what is the charge on the particle?
0.1 Coulombs
If you double the r value and keep the q values constant, what happens to the Force?
decreases by 1/4
What are the units of k in Coulombs equation?
N m2/C2