Electrical Engineering - Circuit Theorems in AC Analysis

Exercise : Circuit Theorems in AC Analysis - General Questions
16.
Referring to the given circuit, determine ZTH as seen by RL.

1444–48.5°
4176 –73.3°
956 –48.5°
1444 –73.3°
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
Referring to the given circuit, how much power, in watts, is delivered to the speaker at the determined frequency if VS = 4.5 VRMS?

226 mW
2.26 mW
4.24 mW
424 mW
Answer: Option
Explanation:
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18.
The Norton equivalent current is
the current through the load
the open-current from the source
the short circuit current
none of the above
Answer: Option
Explanation:
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19.
Determine VTH if R1 is changed to 3.3 k.

0.57416.7° V
4.6316.7° V
4.6339.5° V
0.46339.5° V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
Referring to the given circuit, what is VTH if VS = 120° V?

4.6938.7° V
9.3838.7° V
120° V
60° V
Answer: Option
Explanation:
No answer description is available. Let's discuss.