Producing electricity

2. a device converting solar radiation into electricity.
3. a device used to store an electric charge
8. the turning force through a radius
9. an exercise machine with oars and a sliding seat, for exercising
10. a device that measures the amount of electric energy consumed
11. producing good results at a low cost
12. a piece of equipment designed to perform a specific task.
13. thermal power station in which the heat source is a nuclear reactor.
14. a safety device that melts and breaks an electric circuit if the current exceeds a safe level.
17. A relay that opens or closes contacts with a bending mechanism as a result of the difference in the expansion coefficients of a bimetal, which is heated by the current.
19. a group or system of interconnected people or things.

1. a natural fuel formed in the geological past
4. malfunction of an electrical device
5. metal drawn out into the form of a thin flexible thread.
6. equipment for producing light.
7. a device for making and breaking the connection in an electric circuit.
15. an automatic device for stopping the flow of current in an electric circuit as a safety measure.
16. an economy in money, time, etc.
18. radiant energy emitted by the sun