The flux density in an air-cored coil is 10^-3 Wb/m2.
With a cast iron core of relative permeability 100 inserted, the flux density will become
A. 10-3 Wb/m2
B. 10-2 Wb/m2
C. 103 Wb/m2
D. 0.1 Wb/m2
Show Answer
Answer: D
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