Electric Fields Flashcards
1
Q
What is Coulomb’s law?
A
magnitude of the charge between two point charges in a vacuum is directly proportional to the product of theie charges and inversely proportional to the square of the distance between charges.
2
Q
Which is stronger? the gravitational force of subatomic particles or the electrostatic force.
A
The electrostatic force.
3
Q
Electric field lines go from …
A
positive charge to negative charge
4
Q
What is electric field strength?
A
force per unit charge acting at a point in an electric field
5
Q
What is the trajectory of a particle entering a uniform field at right angles?
A
It is parabolic.
