Question

write the condition required for a circuit to be a closed circuit

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Answer 1

Explanation:

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Answer 2

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• The condition is that the external flux path of a permanent magnet should be confined within the permeability material.
• In order for the closed circuit to work usefully the circuit involves at least one air gap where the useful performance can be carried out. It is a well-encapsulated circuit which channelizes voltage in proper direction.