hz

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 hz [2019/06/03 18:29]127.0.0.1 external edit hz [2020/07/12 22:57]stan_zurek [External links] Both sides previous revision Previous revision 2020/07/19 01:01 stan_zurek 2020/07/12 22:57 stan_zurek [External links] 2020/07/08 23:20 stan_zurek 2020/07/02 22:35 external edit2020/02/10 14:26 stan_zurek 2019/06/03 18:29 external edit2017/01/30 15:01 stan_zurek -review2015/09/15 14:35 stan_zurek done2015/09/15 14:31 stan_zurek 2015/09/14 14:10 stan_zurek -image2015/09/10 14:53 stan_zurek new ref2015/09/10 14:49 stan_zurek with new calculator2015/09/10 14:45 stan_zurek 2015/09/10 14:26 stan_zurek [See also] 2015/09/08 14:42 stan_zurek created Next revision Previous revision 2020/07/19 01:01 stan_zurek 2020/07/12 22:57 stan_zurek [External links] 2020/07/08 23:20 stan_zurek 2020/07/02 22:35 external edit2020/02/10 14:26 stan_zurek 2019/06/03 18:29 external edit2017/01/30 15:01 stan_zurek -review2015/09/15 14:35 stan_zurek done2015/09/15 14:31 stan_zurek 2015/09/14 14:10 stan_zurek -image2015/09/10 14:53 stan_zurek new ref2015/09/10 14:49 stan_zurek with new calculator2015/09/10 14:45 stan_zurek 2015/09/10 14:26 stan_zurek [See also] 2015/09/08 14:42 stan_zurek created Last revision Both sides next revision Line 1: Line 1: + ====== Hz ====== + |< 100% >| + | //[[user/Stan Zurek]], Hz, [[http://Encyclopedia-Magnetica.com|Encyclopedia-Magnetica.com]], {accessed @YEAR@-@MONTH@-@DAY@}// | + + **Hz** or **hertz** - a unit of [[frequency]], reciprocal of [[period|cycle]] or [[period]]. + + According to the [[SI]] terminology, //hertz// is a [[coherent derived unit]], because it can be derived from the [[base unit]] of //second// by raising to the power of -1. Hertz can only be applied to periodic phenomena.[([[http://www.bipm.org/en/publications/si-brochure/section2-2.html|Section 2.2: SI derived units, SI Brochure: The International System of Units (SI) [8th edition, 2006; updated in 2014] {accessed 2015-09-10}]])] + + {{page>insert/paypal}} + + + 50 Hz [[sine waveform]] has 20 ms cycle, and 100 Hz [[sawtooth waveform]] has 10 ms cycle + [[/file/sine_and_sawtooth_magnetica.png|{{sine_and_sawtooth_magnetica.png}}]] + {{page>insert/by_SZ}} + + + + In older publications the phrase **//cycles per second//** (**cps** or **//c.p.s.//**) was used to denote frequency, and it was a unit synonymous with hertz so that 1 cps = 1 Hz.[([[http://www.bipm.org/en/publications/si-brochure/section2-2-2.html|Units with special names and symbols; units that incorporate special names and symbols, SI Brochure: The International System of Units (SI) [8th edition, 2006; updated in 2014] {accessed 2015-09-10}]])][([[http://google.com/books?isbn=9781475769180|Douglas M. Considine, Glenn D. Considine, Frequency, Van Nostrandâ€™s Scientific Encyclopedia, Springer Science & Business Media, 2013, ISBN 9781475769180, p. 1343]])] + + {{page>calculator/frequency and time}} + + ===== See also ===== + *[[Electromagnetic units]] + + + ===== References ===== + ~~REFNOTES~~ + + {{tag>Units Counter}}