PhysicsHard116×since 2002Q7677The 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 μ\muμ₀ = 4π\piπ × 10^–7 NA^–2]A3 μ\muμTB18 μ\muμTC9 μ\muμTD1 μ\muμTCheck answerSkip