The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is:[Take μo = 4π × 10-7 NA-2]

The magnitude of the magnetic field at the centre of an equilateral tr

1.	The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is:[Take μo = 4π × 10-7 NA-2]
A.	18 μT
B.	9 μT
C.	3 μT
D.	1 μT
Answer» B. 9 μT