Materials and Components - ECE Questions and Answers

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For a core having a relative permeability μ_r, magnetic dipole moment per unit volume M and field strength H, the flux density B is

B = μ_r (H + M)

B = μ₀ (H + M)

B = μ₀μ_r (H + M)

B = μ₀μ_r (H - M)

Answer : Option B

Explanation :

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