# Circuit Theorems In Ac Analysis Multiple Choice Questions

## Circuit Theorems In Ac Analysis

Question 1.

Referring to the given circuit, what is VTH if VS = 12 ∠0° V? A. 4.69 ∠38.7° V B. 9.38 ∠38.7° V C. 12 ∠0° V D. 6 ∠0° V
Explanation :

Explanation Not Provided

Question 2.

Referring to the given circuit, find ZTH if VS is 180° V. A. 9.82 ∠-51.3° kΩ B. 9.38 ∠-51.3° kΩ C. 180 ∠-38.3° kΩ D. 19.2 ∠-38.3° kΩ
Explanation :

Explanation Not Provided

Question 3.

Determine VTH when R1 is 180 Ω and XL is 90 Ω. A. 135∠63.4° V B. 13.5∠63.4° V C. 12.2∠0° V D. 122∠0° V
Explanation :

Explanation Not Provided

Question 4.

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
Explanation :

Explanation Not Provided

Question 5.

One circuit is equivalent to another, in the context of Thevenin's theorem, when the circuits produce the same voltage.

 A. True B. False
Explanation :

Explanation Not Provided