Meaning & Definition of word "Ampere"
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Ampere
ˈamˌpēr
noun:
- 1. One of the fundamental units in the International System of Units (SI).
- Example: Electricians often measure the current in amperes to ensure safety in installations.
- 2. The ampere, often abbreviated as 'A', is the SI base unit of electric current, defined as the flow of electric charge across a surface at the rate of one coulomb per second.
- Example: The circuit requires a current of 5 amperes for optimal performance.
- 3. A specific measure of electric current.
- Example: The light bulb operates at a current of 0.5 amperes.
- 4. A unit used in electrical engineering to quantify current.
- Example: To calculate the power consumption, multiply the voltage by the current in amperes.
- 5. The amount of electric charge in coulombs flowing through a conductor per unit time.
- Example: A device may be rated for a maximum of 10 amperes to prevent overheating.
Etymology
Named after André-Marie Ampère, a French physicist.
Common Phrases and Expressions
milliampere:
One thousandth of an ampere.
kiloampere:
One thousand amperes.
microampere:
One millionth of an ampere.
Related Words
volt:
The unit of electric potential.
ohm:
The unit of electrical resistance.
coulomb:
The unit of electric charge.