For the circuit shown, determine Z_TH for the portion of the circuit external to RL.

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