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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°