Referring to the given circuit, how much power, in watts, is delivered to the speaker at the determined frequency if VS = 4.5 VRMS?
A. 226 mW
B. 2.26 mW
C. 4.24 mW
D. 424 mW
Answer: Option D
This Question Belongs to Electrical Engineering >> Circuit Theorems In Ac Analysis
Referring to the given circuit, what is VTH if VS = 12 ∠0° V?
A. 4.69 ∠38.7° V
B. 9.38 ∠38.7° V
C. 12 ∠0° V
D. 6 ∠0° V
Referring to the given circuit, find ZTH if VS is 180° V.
A. 9.82 ∠-51.3° kΩ
B. 9.38 ∠-51.3° kΩ
C. 180 ∠-38.3° kΩ
D. 19.2 ∠-38.3° kΩ
Determine VTH when R1 is 180 Ω and XL is 90 Ω.
A. 135∠63.4° V
B. 13.5∠63.4° V
C. 12.2∠0° V
D. 122∠0° V
The two basic components of a Thevenin equivalent ac circuit are
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
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