# Hertz

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- | [[Hertz]] (symbol: '''[[Hz]]''') is a unit of frequency. It is defined as the number of cycles per second. It is the basic unit of frequency in the International System of Units (SI), and is used worldwide in both general-purpose and scientific contexts. Hertz can be used to measure any periodic event; the most common uses for hertz are to describe radio and audio frequencies, more or less sinusoidal contexts in which case a frequency of 1 '''[[Hz]]''' is equal to one cycle per '''[[second]]'''. | + | [[Hertz]] (symbol: '''[[Hz]]''') is a unit of '''[[frequency]]'''. It is defined as the number of cycles per second. It is the basic unit of frequency in the International System of Units (SI), and is used worldwide in both general-purpose and scientific contexts. Hertz can be used to measure any periodic event; the most common uses for hertz are to describe '''[[radio]]''' and '''[[audio]]''' frequencies, more or less sinusoidal contexts in which case a frequency of 1 '''[[Hz]]''' is equal to one cycle per '''[[second]]'''. |

== '''Also See''' == | == '''Also See''' == |

## Revision as of 21:06, 31 December 2010

**Hertz** (symbol: **Hz**) is a unit of **frequency**. It is defined as the number of cycles per second. It is the basic unit of frequency in the International System of Units (SI), and is used worldwide in both general-purpose and scientific contexts. Hertz can be used to measure any periodic event; the most common uses for hertz are to describe **radio** and **audio** frequencies, more or less sinusoidal contexts in which case a frequency of 1 **Hz** is equal to one cycle per **second**.

## **Also See**

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