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Ampere Meaning: Definition, Examples, and Translations

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ampere

[æmˈpɛr ]

Definition

Context #1 | Noun

unit of measurement

The ampere is the SI unit of electric current. It is defined as the flow of electric charge through a conductor, with one ampere representing one coulomb of charge per second. The ampere is a fundamental measure in electrical systems and is crucial for understanding electrical appliances and circuits.

Synonyms

a, amp.

Examples of usage

  • The circuit operates at five amperes.
  • You need to ensure that the wire can handle the current of ten amperes.
  • An ampere is used to measure how much electric charge flows in a circuit.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Science

  • One ampere equals one coulomb of electric charge flowing per second.
  • Ampere is one of the seven base units in the International System of Units (SI), highlighting its importance in science and engineering.
  • The relationship between amperes, voltage, and resistance is described by Ohm's Law, forming the foundation of electrical engineering.

History

  • The concept of measuring electric current was developed in the 19th century, paving the way for modern electrical systems.
  • The ampere was formally defined in 1946 during an international conference on electrical measurements.

Practical Applications

  • In everyday life, you might see amperes referenced on electrical appliances, indicating how much current they use.
  • Circuit breakers and fuses are rated in amperes to protect electrical systems by preventing too much current from flowing.

Technology

  • The development of advanced electronic devices relies heavily on accurate measurement of current in amperes.
  • The ampere is crucial in renewable energy technologies, such as solar panels, which convert sunlight into electricity.

Origin of 'ampere'

Main points about word origin

  • Named after André-Marie Ampère, a French physicist who studied electricity and magnetism in the early 1800s.
  • The word comes from the French 'ampère,' which honors its namesake's contributions to electrical science.

The term 'ampere' is named after the French physicist André-Marie Ampère, who made significant contributions to the study of electromagnetism in the early 19th century. The unit was adopted in 1881 during the International Electrical Congress in Paris, and it was later included in the International System of Units (SI). It was recognized as one of the basic units of measurement and has since become fundamental in the fields of electronics, physics, and engineering. The ampere is a critical component in the calculations and design of electrical systems, highlighting its enduring legacy in both scientific and practical applications.

Word Frequency Rank

With rank #16,796, this word belongs to specialized vocabulary. While not common in everyday speech, it enriches your ability to express complex ideas.