The term has a special meaning in electrical engineering when used as alternating voltage and alternating current . The term is treated in more detail under these key words. In acoustics and sound engineering, alternating quantities occur, for example, as sound pressure and sound .
Many electrical engineering textbooks, for example
- Karl-Heinz Locher, Hans Müller, Thomas Harriehausen, Dieter Schwarzenau: Moeller basics of electrical engineering. Vieweg + Teubner, 2011, p. 293
- Wilfried Weißgerber: Electrical engineering for engineers 2. Springer-Vieweg, 2013, p. 1
- Ralf Kories, Heinz Schmidt-Walter: Pocket book of electrical engineering. German, 2008
- DIN 5483-1 Time- dependent quantities - designation of the time-dependency. 1983, no.2.1