electric fields Flashcards
1
Q
define electric field
A
force per unit positive charge
2
Q
the electric field is always directed _____ from positive charge
A
away from positive charge
3
Q
the electric field is always directed _____ negative charge
A
towards negative charge
4
Q
define electric field strength
A
the force per unit charge experienced by a small stationary test charge placed at that point
5
Q
what is the equation for electric field strength E
A
E = F / q
unit: Vm^-1 or FC^-1
6
Q
A
