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Electrical Engineering - Circuit Theorems in AC Analysis


Exercise

"Everything you can imagine is real."
- Pablo Picasso
1. 

Determine VTH when R1 is 180 and XL is 90 .

A. 13563.4° V
B. 13.563.4° V
C. 12.20° V
D. 1220° V

2. 

For the given circuit, find VTH for the circuit external to RL.

A. 4.6951.3° V
B. 4.6938.7° V
C. 46938.7° mV
D. 60° V

3. 

Referring to the given circuit, find ZTH if R is 15 k and RL 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

4. 

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

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

5. 

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

A. 22512.1°
B. 22577.9°
C. 4677.9°
D. 4612.1°




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