Circuit Theorems in AC Analysis - General Questions (3)

Directions to Solve

Circuit Theorems in AC Analysis - General Questions

17.

Referring to the given figure, determine Z_TH as seen by R_L if R₁ is changed to 3.3 k.

A.	1488∠–70.7°
B.	3859∠ –31.2°
C.	5180∠ –50.5°
D.	1828∠–50.2°

Answer: Option D

Explanation:

No answer description available for this question.

18.

Determine V_TH for the circuit external to R_L 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

Explanation:

No answer description available for this question.

19.

Referring to the given circuit, what is Z_TH if R₁ is changed to 220 ?

A.	225∠12.1°
B.	225∠77.9°
C.	46∠77.9°
D.	46∠12.1°

Answer: Option C

Explanation:

No answer description available for this question.

20.

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

A.	66.7 ∠–33.7° k
B.	6.67∠–333.7° k
C.	14.4∠ –56.3° k
D.	1.44 ∠–33.7° k

Answer: Option B

Explanation:

No answer description available for this question.

21.

Referring to the given circuit, find Z_TH if R is 15 k and R_L is 38 k.

A.	89.82∠ –51.3° k
B.	19.2∠ –38.3° k
C.	9.38∠–51.3° k
D.	180∠ –38.3° k

Answer: Option C

Explanation:

No answer description available for this question.

22.

For the given circuit, find V_TH for the circuit external to R_L.

A.	4.69∠51.3° V
B.	4.69∠38.7° V
C.	469∠38.7° mV
D.	6∠0° V

Answer: Option B

Explanation:

No answer description available for this question.

23.

Determine V_TH when R₁ is 180 and X_L is 90 .

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

Answer: Option B

Explanation:

No answer description available for this question.

Circuit Theorems in AC Analysis - General Questions (3)

Circuit Theorems in AC Analysis - General Questions

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