Electrical Engineering - Circuit Theorems in AC Analysis
Exercise : Circuit Theorems in AC Analysis - General Questions
- Circuit Theorems in AC Analysis - General Questions
- Circuit Theorems in AC Analysis - True or False
1.
Determine VTH when R1 is 180 
and XL is 90 .
and XL is 90 .
135
63.4° V
63.4° V13.563.4° V
63.4° V12.20° V
0° V1220° V
0° V2.
For the given circuit, find VTH for the circuit external to RL.
4.6951.3° V
51.3° V4.6938.7° V
38.7° V46938.7° mV
38.7° mV60° V
0° V3.
Referring to the given circuit, find ZTH if R is 15 k and RL is 38 k.
and RL is 38 k.
89.82 –51.3° k
–51.3° k19.2 –38.3° k
–38.3° k9.38–51.3° k
–51.3° k180 –38.3° k
–38.3° k4.
For the circuit shown, determine ZTH for the portion of the circuit external to RL.
66.7 –33.7° k
–33.7° k6.67–333.7° k
–333.7° k14.4 –56.3° k
–56.3° k1.44 –33.7° k
–33.7° k5.
Referring to the given circuit, what is ZTH if R1 is changed to 220 ?
?
22512.1°
12.1° 22577.9°
77.9° 4677.9°
77.9° 4612.1°
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