SSC MTS EXAM

Detailed explanation-1: -Electric current (I) was chosen by SI to be a base quantity-a fundamental physical quantity. A base quantity-though is not defined in terms of other quantities-can however be expressed in terms of other quantities.

Detailed explanation-2: -A base quantity is one of a conventionally chosen subset of physical quantities, where no quantity in the subset can be expressed in terms of the others. There are seven basic fundamental quantities: Length, mass, time, electric current, amount of substance, luminous intensity and temperature.