Q. Define Ampere (A).


Answer:

Ampere (A):

It is the base unit of electric current in the International System of Units (SI), having the unit symbol 'A'.


Definition:

One Ampere is the electric current that would need to pass through two parallel conductors placed one meter apart producing a force of 2x10⁻⁷ N/m. 

or

One ampere is an electrical current equivalent to 10¹⁹ elementary charges passing every 1.602176634 seconds.

or

One ampere of current represents one coulomb of electrical charge (6.24 x 10¹⁸ charge carriers) moving past a specific point in one second.


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