The current passing through a conducting loop in the form of equilateral triangle of side 4 3 cm is 2 A. The magnetic field at its centroid is α×10⁻⁵ T. The value of α is _ _ _ _. (Given: μ₀=4π×10⁻⁷ SI units)

Magnetic Effects of Current and Magnetism: JEE Main 2026 Physics question

JEE Main 2026 · 23 Jan, Evening shift · Q37

JEE Main 202623 Jan, Evening shiftPhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

The current passing through a conducting loop in the form of equilateral triangle of side

4\sqrt3

cm is 2 A. The magnetic field at its centroid is

\alpha\times10^{-5}

T. The value of

\alpha

is ________. (Given:

\mu_0=4\pi\times10^{-7}

SI units)