Electricity

3. an automatic control system in which an operation, process, or mechanism is regulated by feedback
6. a substance or material that allows electricity to flow through it
9. subatomic particles found inside the nucleus of every atom
10. an electrical safety device that operates to provide over current protection of an electrical circuit
11. an electrical circuit in which current flows in more than one path at the same time.
13. the base unit of electrical current.
15. materials that do not allow electricity to pass through them
18. a unit of power, equal to 1000 watts
19. The smallest part of a substance that cannot be broken down chemically
21. an electrical circuit in which the whole current flows through each component.
22. an electric current that is uni-directional so the flow of charge is always in the same direction
23. an electric current which periodically reverses direction and changes its magnitude continuously

1. measured in volts
2. a small particle with a negative charge that is found in all atoms
4. electrons, protons and neutrons form an atom's nucleus.
5. a positively charged particle of matter found in the atoms of all elements
7. the pressure that pushes electricity
8. a device that converts chemical energy contained within its active materials directly into electric energy
12. a control system for an operation or process in which there is no self-correcting action
14. the unit of electrical power equal to one ampere under the pressure of one volt
16. an electrical component that limits or regulates the flow of electrical current in an electronic circuit
17. a unit of measurement for electromotive force.
20. the electricity produced by rubbing two suitable bodies and the transfer of electrons from one body to other