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When a DC current passes through the coil, it will produce a magnetic flux around the...

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Physics

When a DC current passes through the coil, it will produce amagnetic flux around the coil. Is this the reason why the coil getheated? Because the magnetic flux will be stable after all as DCcurrent does not oscillate?

Answer & Explanation Solved by verified expert
4.0 Ratings (730 Votes)
For a coil VL didt is the voltage equationsince there is no change of current in DC didt0 except during the transient periodThen V0This means short circuitSo high currents will flow and burn out the winding it can also be explained in another way for a coil ZRjL 2pifFor DC f0so 0 ZRFor a    See Answer
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