Electrostatics and Magnetism Equations

Question 1

Coulomb’s Law

Electrostatic Force Equation

Answer 1

Question 2

Electrostatic Force Units

Answer 2

Newtons

Question 3

Electrostatic Force represents…

Answer 3

the force between two charged species

could be attractive if the two charges are the same sign, or repulsive if they are opposite signs

also depends on distance between the species

Question 4

Electric Field Magnitude (equation)

Answer 4

Question 5

Electric Field Units

Answer 5

Newtons / Coulomb

Question 6

Electric field measures…

Answer 6

the electric field magnitude in a point within the field without actually placing another charge within it

Question 7

Electrical Potential Energy

Answer 7

Question 8

Electrical Potential Energy Units

Answer 8

Joules

Question 9

Electric Potential Energy represents…

Answer 9

the work (joules) needed to move a charged particle a certain distance (r) within a field

the potential energy of a charged particle

Question 10

Electric Potential

Answer 10

Question 11

Electric Potential Units

Answer 11

Volts = Joules / Coulomb

Question 12

Electric potential represents…

Answer 12

the energy required to move 1 coulomb a given distance within an electric field