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What rms current flows in a 60 milliHenry inductor when 120 Volt-AC (rms) at a frequency of 20 kHz is applied to it?
Expert Answer
Given,
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fi 20 kHz V =120 V L 60 mH
Inductive reactance (XL) is given by the product of constant 2π, and the frequency of the ac current (f ), and the inductance of the coil (L).
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-27(20 kHz) (60 mH =7539.82
Now, plugging the given...
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V ms I. rms XI 120 V 7ms 7539.82 Q IIRE = 0.0159 A ms
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