electric charge and force Flashcards
1
Q
what is an electrical charge
A
the electrical property of matter that creates electric and magnetic forces
2
Q
More electrons makes a positive or negative charge
A
negative
3
Q
More protons makes a positive or negative charge
A
positive
4
Q
Conductors allow what? And are usually what substances?
A
charge to flow;metals
5
Q
Insulators allow what? And are usually what substances
A
Do not allow charge to flow; wood, glass, rubber
6
Q
What two ways can electrons transfer
A
friction and contact
7
Q
What is the electric force
A
the attractive force that depends on the charge
