Ampere: meaning, definitions and examples

Etymology

• 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.

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.

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

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