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Question
An RLC series circuit has a $1.00\textrm{ k}\Omega$ resistor, a $150\textrm{ }\mu\textrm{H}$ inductor, and a $25.0\textrm{ nF}$ capacitor. (a) Find the power factor at f = 7.50 Hz . (b) What is the phase angle at this frequency? (c) What is the average power at this frequency? (d) Find the average power at the circuit’s resonant frequency.
1. $0.00118$
2. $89.9^\circ$
3. $\dfrac{\textrm{V}_\textrm{rms}^2(0.00118)}{8.48827\times 10^{5}\textrm{ }\Omega}$
4. $\dfrac{\textrm{V}_\textrm{rms}^2}{1.00\times 10^{3}\textrm{ }\Omega}$
Solution Video