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.
Read more about this topic: Displacement Current
Famous quotes containing the word necessity:
“No picture of life can have any veracity that does not admit the odious facts. A mans power is hooped in by a necessity which, by many experiments, he touches on every side until he learns its arc.”
—Ralph Waldo Emerson (18031882)
“With my desire to write he seemed in full sympathy, and in urging our early marriage he argued that my first necessity was leisure in which to develop and to master my craft. It appeared to me that with such a man as teacher and guide I could not fail, and it was in a queer mixture of young love and vaulting ambition that I became a wife.”
—Rheta Childe Dorr (18661948)
“Every need whose true satisfaction is denied leads by necessity to faith.”
—Johann Wolfgang Von Goethe (17491832)