Exercise: Circuit Theorems In Ac Analysis

Questions for: Circuit Theorems In Ac Analysis

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
Answer: A
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Determine the frequency at which the maximum power is transferred from the amplifier to the speaker in the given figure.

A:
1,027 Hz
B:
10,270 Hz
C:
6,330 Hz
D:
63,330 Hz
Answer: A
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For the circuit given, determine the Thevenin voltage as seen by RL.

A:
0.57416.7° V
B:
5.7416.7° V
C:
0.574 –16.7° V
D:
5.74–16.7° V
Answer: D
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Referring to the given circuit, what is VTH if VS = 120° V?

A:
4.6938.7° V
B:
9.3838.7° V
C:
120° V
D:
60° V
Answer: B
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Determine VTH if R1 is changed to 3.3 k.

A:
0.57416.7° V
B:
4.6316.7° V
C:
4.6339.5° V
D:
0.46339.5° V
Answer: C
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