Question

Two parallel circular coils of equal radii having equal number of turns placed coaxially and separated by a distance equal to the radii of the coils carrying equal currents in same direction are known as ______.

विकल्प

• Biot-savart’s coils 

• Ampere’s coils

• Helmholtz coils

• Oersted’s coils

Answer 1

Two parallel circular coils of equal radii having equal number of turns placed coaxially and separated by a distance equal to the radii of the coils carrying equal currents in same direction are known as Helmholtz coils.