An Ac Circuit Has a 100-Ω Resistor in Series with a 4.9-μF

question 69

Multiple Choice

An ac circuit has a 100-Ω resistor in series with a 4.9-μF capacitor and a 700-mH inductor.At what frequency does the circuit act like a pure resistance?

• A)0.29 MHz
• B)1.9 MHz
• C)12 MHz
• D)0.54 kHz
• E)86 Hz