Electricity Flashcards
1
Q
what do cells do to charge?
A
they push charge around a circuit
2
Q
what is the transfer for a chemical cell/
A
chemical—electrical—-heat
3
Q
describe a direct current/what happens?
A
charge flows in one direction
4
Q
charge is not ______ but energy is ______ or _______
A
- lost
- gained
- lost
5
Q
where is energy lost?
A
at the resistor
6
Q
where is energy gained?
A
at the cell
7
Q
what does the charge do in a wire?
A
vibrates backwards and forwards
8
Q
transfer of energy is usually _______ ——> _______
A
mechanical—–>electrical
9
Q
how is electricity made?
A
by a wire cutting through magnetic field lines
