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:
“The necessity of labor and conversation with many men and things to the scholar is rarely well remembered.”
—Henry David Thoreau (1817–1862)
“It is the hour when stink and sweat
Subside to let the flesh forget
Affinity for brick and lathe,
The cold necessity to bathe
And certain things one would forget.”
—Allen Tate (1899–1979)
“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 (1866–1948)