An iron ring of mean diameter 10 cm is uniformly wound with 2000 tums of wire....
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An iron ring of mean diameter 10 cm is uniformly wound with 2000 tums of wire. When a current of 0.25 A is passed through the coil a flux density of 0.4 T is set up in the iron. Find (a) the magnetizing force and (b) the relative permeability of the iron under these conditions. An iron ring of mean diameter 10 cm is uniformly wound with 2000 tums of wire. When a current of 0.25 A is passed through the coil a flux density of 0.4 T is set up in the iron. Find (a) the magnetizing force and (b) the relative permeability of the iron under these conditions.
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