What Inductance Must Be Put in Series with A $200 - \Omega$

question 242

Multiple Choice

What inductance must be put in series with a $200 - \Omega$ resistor at $4.00 \mathrm { kHz }$ to have a total impedance of $240 \Omega$ ?

• A) \(4.28 \mathrm { mH }\)
• B) \(3.28 \mathrm { mH }\)
• C) \(6.28 \mathrm { mH }\)
• D) \(5.28 \mathrm { mH }\)
• E) \(12 \mathrm { mH }\)

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