Referring to the given circuit, how much power, in watts, is delivered to the speaker at the determined frequency if VS = 4.5 VRMS?

A. 4.69 ∠38.7° V B. 9.38 ∠38.7° V C. 12 ∠0° V D. 6 ∠0° V

A. 9.82 ∠-51.3° kΩ B. 9.38 ∠-51.3° kΩ C. 180 ∠-38.3° kΩ D. 19.2 ∠-38.3° kΩ

A. 135∠63.4° V B. 13.5∠63.4° V C. 12.2∠0° V D. 122∠0° V

A. The equivalent voltage source and the equivalent series impedance B. The equivalent voltage source and the equivalent series resistance C. The equivalent voltage source and the equivalent parallel impedance D. The equivalent voltage source and the equivalent parallel resistance