" 3] Define - One ampere."

Answer the following Define one ampere.

Define ampere.

Derive the expression for force per unit length between two long straight parallel current carrying conductors. Hence define one ampere.

Define th SI unit of electric current. (or) What is one second in SI system of units? (or) Define one ampere (S.I standard for current)

One ampere equals

Find the force between two parallel conductors carrying currents (i) in the same direction (ii) in opposite directions and hence define one ampere.