- A. True
- B. False
Circuit Theorems In Ac Analysis
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In order to get maximum power transfer from a capacitive source, the load must have an impedance that is the complex conjugate of the source impedance.
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The Norton equivalent current is_____.
- A. The current through the load
- B. The open-current from the source
- C. The short circuit current
- D. None of the above
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For the given circuit, find VTH for the circuit external to RL.
- A. 4.69 ∠51.3° V
- B. 4.69 ∠38.7° V
- C. 469 ∠38.7° mV
- D. 6 ∠0° V
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Norton’s theorem gives_____.
- A. An equivalent current source in parallel with an equivalent impedance
- B. An equivalent current source in series with an equivalent impedance
- C. An equivalent voltage source in parallel with an equivalent impedance
- D. An equivalent voltage source in series with an equivalent impedance
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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
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In applying the superposition theorem,
- A. The sources are considered one at a time with all others replaced by their internal impedance
- B. All sources are considered independently
- C. All sources are considered simultaneously
- D. The sources are considered one at a time with all others replaced by their internal resistance
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Referring to the given circuit, find ZTH for the part of the circuit that is external to RL.
- A. 129 ∠21.4° Ω
- B. 43.7 ∠68.6° Ω
- C. 43.7 ∠21.4° Ω
- D. 12.9 ∠68.6° Ω
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Norton’s theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent voltage source in series with an equivalent impedance.
- A. True
- B. False
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Determine VTH for the circuit external to RL in the given figure.
- A. 135 ∠63.4° V
- B. 13.5 ∠63.4° V
- C. 13.5 ∠0° V
- D. 135 ∠0° V
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Referring to the given circuit, what is ZTH if R1 is changed to 220 Ω?
- A. 225 ∠12.1° Ω
- B. 225 ∠77.9° Ω
- C. 46 ∠77.9° Ω
- D. 46 ∠12.1° Ω