A Series Ac Circuit Has a Resistance Of $2.0 \mathrm { k } \Omega$

question 276

Multiple Choice

A series ac circuit has a resistance of $2.0 \mathrm { k } \Omega$ , a capacitance of $8.0 \mu \mathrm { F }$ , and an inductance of $9.0 \mathrm { H }$ . If the frequency of the alternating current is $4.0 / \pi \mathrm { kHz }$ , by what angle does the voltage lead the current?

• A) \(+ 36 \mathrm { rad }\)
• B) +3.1 rad
• C) \(- 1.8 \mathrm { rad }\)
• D) \(+ 1.5 \mathrm { rad }\)
• E) \(- 3.1 \mathrm { rad }\)

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