Write the conditions required for a circuit to be a closed circuit.
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Explanation:
A closed circuit condition exists wherein the external flux path of a permanent magnet is confined within high permeability material. In order to do useful work, a so-called closed circuit always involves at least one air gap where the useful performance can be carried out.
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a closed circuit conditions exists where in the external flux path of a permanent magnet is confined within high permeability material. in order to do useful work, a so-called closed circuit always involves at least one air gap where the useful performance can be carried out.
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