Exercise: Circuit Theorems In Ac Analysis

Questions for: Circuit Theorems In Ac Analysis

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
Answer: C
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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: D
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Referring to the given circuit, determine ZTH as seen by RL.

A:
1444–48.5°
B:
4176 –73.3°
C:
956 –48.5°
D:
1444 –73.3°
Answer: A
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In order to get maximum power transfer from a capacitive source, the load must
A:
have a capacitive reactance equal to circuit resistance
B:
have an impedance that is the complex conjugate of the source impedance
C:
be as capacitive as it is inductive
D:
none of the above
Answer: B
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Referring to the given circuit, find ZTH for the part of the circuit that is external to RL.

A:
12921.4°
B:
43.768.6°
C:
43.721.4°
D:
12.968.6°
Answer: B
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