# Circuit Theorems in AC Analysis - General Questions Online Exam Quiz

Circuit Theorems in AC Analysis - General Questions GK Quiz. Question and Answers related to Circuit Theorems in AC Analysis - General Questions. MCQ (Multiple Choice Questions with answers about Circuit Theorems in AC Analysis - General Questions

### Determine V TH when R 1 is 180 and X L is 90 .

**Options**

A : 135 63.4° V

B : 13.5 63.4° V

C : 12.2 0° V

D : 122 0° V

### For the given circuit, find V TH for the circuit external to R L .

**Options**

A : 4.69 51.3° V

B : 4.69 38.7° V

C : 469 38.7° mV

D : 6 0° V

### Referring to the given circuit, find Z TH if R is 15 k and R L is 38 k .

**Options**

A : 89.82 –51.3° k

B : 19.2 –38.3° k

C : 9.38 –51.3° k

D : 180 –38.3° k

### For the circuit shown, determine Z TH for the portion of the circuit external to R L .

**Options**

A : 66.7 –33.7° k

B : 6.67 –333.7° k

C : 14.4 –56.3° k

D : 1.44 –33.7° k

### Referring to the given circuit, what is Z TH if R 1 is changed to 220 ?

**Options**

A : 225 12.1°

B : 225 77.9°

C : 46 77.9°

D : 46 12.1°

### Determine V TH for the circuit external to R L in the given figure.

**Options**

A : 135 63.4° V

B : 13.5 63.4° V

C : 13.5 0° V

D : 135 0° V

### Referring to the given figure, determine Z TH as seen by R L if R 1 is changed to 3.3 k .

**Options**

A : 1488 –70.7°

B : 3859 –31.2°

C : 5180 –50.5°

D : 1828 –50.2°

### The two basic components of a Thevenin equivalent ac circuit are

**Options**

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

### Referring to the given circuit, find Z TH if V S is 18 0° V.

**Options**

A : 9.82 –51.3° k

B : 9.38 –51.3° k

C : 180 –38.3° k

D : 19.2 –38.3° k

### In applying the superposition theorem,

**Options**

A : the sources are considered one at a time with all others replaced by their internal impedance

B : all sources are considered independently

C : all sources are considered simultaneously

D : the sources are considered one at a time with all others replaced by their internal resistance

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