Question

# Distinguish between electric field, electric force, and electric potential and give an example of each.

Distinguish between electric field, electric force, and electric potential and give an example of each.

#### Homework Answers

Answer #1

electric field is the electric force per unit test charge

electric force between the charge particles is directly proportional to the product of the charges and inversely proportional the square distance between them

F = KQ1Q2/r^2

force may be attractive or repulsive

electric field is similar to the gravitational field

F = QE

E = F/Q

it is a vector quantity

electric field measures the the amount of pulling or pushing the test charge when it reaches the point charge

an amount of work done per unit charge is defined as potential

potential is a scalar quantity

relation between the field and potential is E = -dv/dr

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