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A toroid has 2000 turns. The inner & out...

A toroid has `2000` turns. The inner & outer radii of its core are `11cm` and `12cm` respectively. The magnetic field in the core for a current of `0*7A` is `2*5T`. What is relative permeability of core?

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RESONANCE-ELECTRODYNAMICS-Exercise-1 PART-1
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  19. A magneting field of 1600 Am^(-1) produces a magnetic flux of 2.4xx10^...

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  20. A toroid has 2000 turns. The inner & outer radii of its core are 11cm ...

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