Multiple Choice Questions on Circuit Theorems in AC Analysis.
Q. 1 Determine VTH for the circuit external to RL in the given figure.
A. 135∠63.4° V
B. 13.5∠63.4° V
C. 13.5∠0° V
D. 135∠0° V
Answer: Option B
Q.2 Referring to the given figure, determine ZTH as seen by RL if R1 is changed to 3.3 kΩ.
A. 1488∠–70.7°Ω
B. 3859 ∠–31.2°Ω
C. 5180∠ –50.5°Ω
D. 1828∠–50.2°Ω
Answer: Option D
Q.3 The two basic components of a Thevenin equivalent ac circuit are
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
Answer: Option A