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Grade 12General Physics

why does a inductor allow d.c. current to pass through it,but did not allow a.c. to pass through it ?

Profile image of MD MOHSIN
12 Years agoGrade 12
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1 Answer

Profile image of Sumit Majumdar
12 Years ago

Dear student,

When your circuit starts up, your inductor creates an electrical current in the opposite direction. With dc, this effect vanished after the circuit is started. With ac, the current keeps starting and stopping so the inductor keeps creating a current in the opposite direction.

Thanks & Regards
Sumit Majumdar, 
askIITians Faculty
Ph.D, IIT Delhi