Electrostatistics Flashcards
the electric nature of matter is __________ in atomic structure.
inherent
electron negative charged (-)
Me = 9.11 x 10^-31 kg
Proton positely charged (+)
mp = 1.673 x 10^-27 kg
Neutron Neutral (no charged)
Mn = 1.675 x 10^-27 kg
By adding or removing electron from matter it will acquire a net ____________ with a magnitude equal to e times the number of electrons added or removed, N
electric charge
charge of an electron
1.60 X 10^-19 C
SI unit of Electric Charge
Coulumb (C)
Is is possible to transfer _____________ from one object to another.
electric charge
The body loses electrons has an excess _______________, while the body that gains electrons has an excess of ______________
Positive Charge
Electron Charge
it says that the net electric charge of an isolated system remains constant (is conserved).
Law of Conservation of Electric Charge
Like charges _________ and unlike charges __________ each other
repels
attract
Not only can electric charge exist __________, but it can also move ________
on an object
through an object
Substances that readily conduct electric charge
Electrical Conductors
Materials that conduct electric charge poorly
Electrical Insulators
The negatively charged rod induces a _______ positive charge on the surface of the plastic.
Slight
The magnitude of the electrostatistics force exerted by one point charge on another point charge is directly proportional to the magnitude of the charges and inversely proportional to the square of the distance between them.
Coulomb’s Law
The positive charge experiences a force which is the vector sum of the forces exerted by the charges on the rod and two spheres.
This _____ should have a small mgnitude so it doesnt affect the other charge.
Test charge
it exists at a point is the electrostatic force experienced by a small test charge placed at that point divided by the charge itself.
Electric Field
SI Unit of electric field:
Newton per Coulumb (N/C)
It is the surrounding ______ that create the electric field at a given point
charges
Electric field from different sources _______________
add as vectors
it provides a map of the electric field in the space surrounding electric charges.
Electric Field Lines
Lines of Force
Electric field lines are always directed _______ from positive and toward _______ charges
away
negative
Electric field lines begin on a _______ and end on a _____ and do not stop in midspace.
positive charge
negative charge
The number of lines leaving a positive charge or entering a negative charge is ______ to the magnitude of the charge.
porportional
Field lines that are closer together indicate a region with relatively ___________ electric field
Stronger
Field lines that are ________ inidcate a region with relative weaker electric field.
farther apart
Electric field lines do not ________
intersects
