3.7.3.1 - Coulomb's Law Flashcards
1
Q
What is Eo, and what is it measured in?
A
Permitivity of free space, farads per metre.
2
Q
What do electric fields act on?
A
Anything with a charge.
3
Q
What is the permitivity of free space?
A
The capability of a vacuum to permit electrical field lines.
4
Q
When is force negative or positive?
A
An attractive force gives a negative answer, a repulsive force gives a negative answer.
5
Q
Where is charge in a sphere?
A
At the centre.
