About electrical charge Flashcards
What is a coulomb
1) A coulomb is a unit of charge.
2) The symbol for coulomb is ‘C’.
3) One coulomb is equivalent to 6.24 x 10^18 electrons.
4) A coulomb is a large number of electrons.
Describe electrostatics as non-contact force
1) Electrostatic force/static electricity is anything that displaces another object to a certain distance.
2) It can pull or push another object without touching it.
3) It’s produced by rubbing two different objects.
What are the features of electrostatics?
1) Opposite charges attract each other, whereas the same charges repel each other.
2) Electrostatic force increases as the amount of charge increases.
3) Electrostatic force decreases as the distance increases.