What resistance must be put in series with a 30-mH inductor at 4000 Hz to have a total impedance of 8.0 × 104 ??

A) 30 × 104 ?
B) 5.0 × 104 ?
C) 6.0 × 104 ?
D) 7.0 × 104 ?
E) 8.0 × 104 ?


E

Physics & Space Science

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