Question

what is ampere ..give more information about ampere ...​

Answer 1

Answer:

The International System of Units defines the ampere in terms of other base units by measuring the electromagnetic force between electrical conductors carrying electric current. The earlier CGS measurement system had two different definitions of current, one essentially the same as the SI's and the other using electric charge as the base unit, with the unit of charge defined by measuring the force between two charged metal plates. The ampere was then defined as one coulomb of charge per second.[7] In SI, the unit of charge, the coulomb, is defined as the charge carried by one ampere during one second.

New definitions, in terms of invariant constants of nature, specifically the elementary charge, took effect on 20 May 2019.[8]

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Answer 2

Answer:

An ampere is a measure of electrical current. An ampere is the unit of measurement of electrical current produced in a circuit by 1 volt acting through a resistance of 1 ohm. A current of more than 100 amperes is required to turn the car engine for starting. An ampere is a measure of electrical current.