Question

The relative permeability of an iron specimen is 400 when B = 0.2 T. If B = 0.4 T, μᵣ will be

a.

400

b.

less than 400

c.

more than 400

d.

more or less than 400

Answer: (d).more or less than 400

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Q. The relative permeability of an iron specimen is 400 when B = 0.2 T. If B = 0.4 T, μᵣ will be

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