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Daraf

The daraf is the unit of electrical elastance (symbol: F-1), the ability of an electric potential to charge a capacitor; it is the reciprocal of the farad. Proposed by Arthur Edwin Kennelly in 1936 as a backwards spelling of farad, the daraf is not a recognized SI unit.

1 F^{-1} = \frac{1 V}{1 C}

References

  • Journal of the Institute of Electrical Engineers (GB) volume 78, page 241 (1936).
Science Fair Project Encyclopedia Contents Page
03-10-2013 05:06:04
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Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.

Start by looking for your science kit review or science toy review. Compare prices but remember, Price $ is not everything. Quality does matter.
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