7b. Electric Fields Flashcards
1
Q
Electric field strength
A
Force per unit positive test charge
2
Q
Electric potential
A
The work done per unit positive test charge in moving a test charge from infinity to that point.
3
Q
Permittivity of free space
A
The charge per unit area in coulombs per square metre on two oppositely charged plates when the electric field strength between them is 1 volt per metre.
