Question
An RLC series circuit has a $2.50 \textrm{ }\Omega$ resistor, a $100 \textrm{ }\mu \textrm{H}$ inductor, and an $80.0 \textrm{ }\mu \textrm{F}$ capacitor. (a) Find the power factor at $f = 120 \textrm{ Hz}$. (b) What is the phase angle at 120 Hz? (c) What is the average power at 120 Hz? (d) Find the average power at the circuit’s resonant frequency.
1. $0.150$
2. $81.4^\circ$
3. $1.27 \textrm{ W}$
4. $12.5 \textrm{ W}$
Solution Video