Question

Magnitude of magnetic field (in SI units) at the centre of a hexagonal shape coil of side 10 cm, 50 turns and carrying current I (Ampere) in units of \(\frac{μI}{π}\) is

(1) 500√3  

(2) 250√3  

(3) 50√3   

(4) 5√3  

Answer 1

(1) 500√3

= 500√3\(\frac{μ_0i}{π}\)