Displacement Current - Necessity

Necessity

Some implications of the displacement current follow, which agree with experimental observation, and with the requirements of logical consistency for the theory of electromagnetism.

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Famous quotes containing the word necessity:

    “To expect to increase prices and then to maintain them at a higher level by means of a plan which must of necessity increase production while decreasing consumption is to fly in the face of an economic law as well established as any law of nature.”
    —Calvin Coolidge (1872–1933)

    “No use saying necessity is making a mistake.”
    —Mason Cooley (b. 1927)