Alternative Energy Source Crossword Puzzle

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Across
  1. 2. the law that for any circuit the electric current is directly proportional to the voltage and is
  2. 3. proportional to the resistance.
  3. 5. a device for accumulating and holding a charge of electricity, consisting of two equally
  4. 9. to supply with electricity or other means of power.
  5. 10. the power or energy supplied to a machine.
  6. 11. something that makes things visible or affords illumination:
  7. 13. the current, voltage, power, or signal produced by an electrical or electronic circuit or device.
  8. 15. The Betz limit is the theoretical maximum efficiency for a wind turbine, conjectured by German
  9. 16. a machine that converts one form of energy into another, especially mechanical energy into electrical
  10. 17. the quantity of electricity per unit of volume at a point in space, or the quantity per unit of area at a
  11. 18. a device, as a two-element electron tube or a semiconductor, through which current can pass freely in only
  12. 21. The resistance of wind to an object.
  13. 22. something that flows, as a stream. Having to do with energy flowing
  14. 23. on a surface.
  15. 24. use of the air currents through which it moves.
  16. 26. a measure of the number of electrons emitted by the heated filament or cathode of a vacuum tube.
Down
  1. 1. conducting surfaces having opposite signs and separated by a dielectric.
  2. 4. A system of rotating airfoils, as the horizontal ones of a helicopter or of the compressor of a jet
  3. 6. the act of rotating; a turning around as on an axis.
  4. 7. the measured ability of a rotating element, as of a gear or shaft, to overcome turning resistance.
  5. 8. the degree of inclination or slope; angle.
  6. 9. Albert Betz in 1919.
  7. 12. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity,
  8. 14. sunshine, cloudiness, and winds, throughout the year, averaged over a series of years.
  9. 15. irregular motion of the atmosphere, as that indicated by gusts and lulls in the wind.
  10. 19. any surface, as a wing, aileron, or stabilizer, designed to aid in lifting or controlling an aircraft by
  11. 20. a dynamo, or electrical energy into sound, as an acoustic generator.
  12. 25. direction.