Electric Fields Flashcards
(8 cards)
1
Q
What is the null / neutral point in an electric field?
A
A point between two like-charges where the gravitational field strength is zero.
1
Q
What does the direction of electric field lines show?
A
Force felt by a positive test charge in an electric field (positive to negative).
2
Q
What is an electric field?
A
Region where a charged object will experience a force.
3
Q
What does a positive charge mean in terms of electrons?
A
Lack of electrons.
3
Q
What does the ‘Q’ in the radial electric field strength equation represent?
A
Charge of object causing the field.
3
Q
What is electric field strength?
A
Force per unit charge of an object in an electric field.
4
Q
What does a negative charge mean in terms of electrons?
A
Excess of electrons.
5
Q
A
