Question

what would be the difference in functioning when we pass DC Current through a Electromagnet Compared to When we Pass AC Current.

Answer 1

Answer:

$\red{Nothing special should happen. If we neglect the proper impedance of the wire, the theoretical impedance of the coil is proportional to the frequency : Zcoil = j.L.ω with ω = 2.π.f and L the inductance of the coil.</p><p>If the current is DC then f = 0 and consequently Zcoil = 0, the coil acts only as a wire.</p><p>Obviously the wire has a little impedance that should be taken in account if necessary, according to your needs. It can cause some Joule losses for example, depending on the cross section of the wire and the current value.</p><p>I hope I have answered to your question at you convenience.}$

Explanation:

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Answer 2

Answer:when we pass an Ac current to the electromagnet the there is both positive and negative cycles.

Whereas when we pass Dc current to the electromagnet then there is only one cycle.And we cant use Dc currents in the mortors. While Dc currents are used in the generators..........

Explanation:

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