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[" A coil has resistance "30" ohm and in...

[" A coil has resistance "30" ohm and inductive reactance "20" 17."],[" ohm at "50Hz" frequency.If an ac source,of "200" volt,"100Hz" ,"],[" is connected across the coil,the current in the coil will be "],[[" (a) "4.0A," (b) "8.0A," (c) "(20)/(sqrt(13))A," (d) "2.0A]]

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