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In ISC buk,its given dat toroid is a magnet with no north and south poles.Its magnetic moment is 0.I didn understand the ans. given. So when i searched on net,its given dat toroids introduce permeability, that means an increased inductance for a given number of turns. Whats de actual ans. den?? And is it possible for magnets 2 hav no north and south pole??


In ISC buk,its given dat toroid is a magnet with no north and south poles.Its magnetic moment is 0.I didn understand the ans. given.
So when i searched on net,its given dat toroids introduce permeability, that means an increased inductance for a given number of turns.
Whats de actual ans. den??
And is it possible for magnets 2 hav no north and south pole??


Grade:upto college level

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