16. It is composed of a source of electrons, the load, the wire
and a switch
17. It connect one components of the circuit to another so
that electric current flows.
18. Conducts the flow of current in a circult. The circuit should
be close for electric current to flow in the circuit.
19. It is any object powered by electricity such as a light bulb
on a buzzer.
20. It is usually a battery.
Choses:
switch
circut
load
source of electrons
wires​