4. An automatic device for stopping the flow of current in an electric circuit as a safety measure.
5. An electrical material which is used to connect from the outlet as a source with the wire
conductor to the load.
6.A device used in audio systems which convert electrical signals into sound.
7.An electrical fixture that close and opens the circuit.
8. An instrument used to measure electric potential in Volts.
9.A reference point in an electrical circuit which voltage are measured.
10. Consisting one or more cells in which chemical energy is converted into electricity and used
as a source of power.
11. A graphical presentation of electrical wiring connections to be installed in a particular building
or establishment.
12.It is a sketch showing the components of the circuit using standard electrical symbols.
13.It is a sketch of electrical circuit that shows the extemal appearance of each component.
14. A circuit in which lamps are connected across the wire conductor
15. A circuit which lamps are arrange in a chain manner