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A material has a permeability of 0.1 H/m when the magnetic intensity is 70 A/m. What will be the magnetic induction inside the material?

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A material has a permeability of 0.1 H/m when the magnetic intensity is 70 A/m. What will be the magnetic induction inside the material?

(a) 7 T

(b) 0.7 T

(c) 70 T

(d) 0.07

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My question is from Magnetic Properties of Materials topic in division Magnetism and Matter of Physics – Class 12

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Best answer
The correct option is (a) 7 T

Easy explanation: Given: permeability (μo) = 0.1 H/m; Magnetic intensity (H) = 70 A/m

Required equation ➔ Magnetic induction (B) = μo × H

B = 0.1 × 70

B = 7 T

Therefore, the magnetic induction inside the material is 7 T.

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