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Given the magnetic field is 2.4 units. Find the flux density in air(in 10^-6 order).

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Given the magnetic field is 2.4 units. Find the flux density in air(in 10^-6 order).

(a) 2

(b) 3

(c) 4

(d) 5

I have been asked this question in an internship interview.

My doubt is from Magnetic Field Intensity topic in portion Magnetostics of Electromagnetic Theory

1 Answer

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Right answer is (b) 3

Easy explanation: We know that B = μH. On substituting μ = 4π x 10^-7 and H = 2.4, we get B = 4π x 10^-7 x 2.4 = 3 x 10^-6 units.

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