electricity 7

Across

5. / a substance, body, or system that conducts electricity, heat, etc.
6. / a complete path through which an electric current can flow
10. / the derived SI unit of frequency; the frequency of a periodic phenomenon that has a periodic time of 1 second; 1 cycle per second.
12. / a device that under abnormal conditions, such as a short circuit, stops the flow of current in an electrical circuit
15. / to provide for adequately; make good; satisfy
16. / the square root of the average of the squares of a set of numbers or quantities
17. / to determine the size, amount, etc., of by measurement
18. / an instrument for producing a representation of a rapidly changing quantity on the screen
20. / the average, the result obtained by adding the numbers or quantities in a set and dividing the total by the number of members in the set
21. / a mechanical, electrical, or electronic device for opening or closing a circuit or for diverting a current from one part of a circuit to another
27. / to link or be linked together; join; fasten
28. / the basic SI unit of electric current;
29. / a closed electric or magnetic circuit through which a signal can circulate, as in a feedback control system
30. / any of a number of devices that produce illumination
33. / any phenomenon associated with stationary or moving electrons, ions, or other charged particles
34. / the main distribution network for water, gas, or electricity
36. / a configuration of two or more components connected in a circuit so that the same current flows in turn through each of them (esp. in the phrase in series)
37. / an electrical component designed to introduce a known value of resistance into a circuit
39. / the capacity of a body or system to do work
40. / voltage, electromotive force, or potential difference
44. / the derived SI unit of electrical resistance; the resistance between two points on a conductor when a constant potential difference of 1 volt between them produces a current of 1 ampere.
45. / to move or progress freely as if in a stream
47. / a wire which is connected to the earth to protect persons
49. / to mark (the scale of a measuring instrument) so that readings can be made in appropriate units
53. / alternative energy
56. / two or more primary cells connected together, usually in series, to provide a source of electric current
57. / an electrical machine that generates an alternating current
58. / a wire carrying an electric current back
59. / separated by an equal distance at every point; never touching or intersecting

Down

1. / a faulty or accidental connection between two points of different potential in an electric circuit, It can cause damage to the components if the circuit is not protected by a fuse
2. / an electromotive force or potential difference expressed in volts
3. / a malleable ductile reddish metallic element occurring as the free metal,
4. / the engine, esp. an internal-combustion engine, of a vehicle
7. / a quantity of electricity determined by the product of an electric current and the time for which it flows, measured in coulombs
8. / a continuous electric current that flows in one direction only, without substantial variation in magnitude
9. / an insufficiency or shortage
11. / the number of times that a periodic function or vibration repeats itself in a specified time, often 1 second. It is usually measured in hertz.
13. / the extremity of the length of something, such as a road, line, etc.
14. / a continuous electric current that periodically reverses direction, usually sinusoidally
19. / a wire carrying an electric current
22. / the derived SI unit of electric charge; the quantity of electricity transported in one second by a current of 1 ampere.
23. / the equipment in a telephone, radio, or television that receives incoming electrical signals or modulated radio waves and converts them into the original audio or video signals
24. / an instrument for measuring an electric current in amperes
25. / an electrical test instrument offering measurement of several values, usually voltage, current, and resistance
26. / a measure of the rate of doing work expressed as the work done per unit time. It is measured in watts, horsepower, etc.
31. / any device for converting mechanical energy into electrical energy by electromagnetic induction, esp. a large one as in a power station
32. / a conductor by which current enters or leaves at such a point
35. / any material or device that insulates, esp. a material with a very low electrical conductivity or thermal conductivity or something made of such a material
38. / a cable consisting of several metal strands twisted together
41. / a knot, swelling, or knob
42. / a protective device for safeguarding electric circuits containing a wire that melts and breaks the circuit when the current exceeds a certain value
43. / an electrical conductor wound into the form of a spiral, sometimes with a soft iron core, to provide inductance or a magnetic field
46. / having zero charge or potential
48. / a point in a wiring system from which current can be taken to supply electrical devices
50. / a device that transfers an alternating current from one circuit to one or more other circuits, usually with an increase (step-up transformer) or decrease (step-down transformer) of voltage.
51. / a panel exposed to radiation of heat from the sun, used to heat water or, when mounted with solar cells, to produce electricity direct, esp. for powering instruments in satellites
52. / a device for accumulating electric charge, usually consisting of two conducting surfaces separated by a dielectric
54. / to supply, provide, or stock
55. / a wire or bundle of wires that conducts electricity
57. / an ampere