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Questions and Answers
In an AC circuit with a purely capacitive load, what is the phase relationship between the voltage and current?
In an AC circuit with a purely capacitive load, what is the phase relationship between the voltage and current?
- They are in phase
- Current leads voltage (correct)
- There is no phase relationship
- Voltage leads current
What is the frequency of the alternating current in a standard household electrical outlet?
What is the frequency of the alternating current in a standard household electrical outlet?
- 60 Hz
- 40 Hz
- 50 Hz (correct)
- 70 Hz
What happens to the reactance of an inductor in an AC circuit when the frequency increases?
What happens to the reactance of an inductor in an AC circuit when the frequency increases?
- Becomes zero
- Decreases
- Increases (correct)
- Remains constant
In an AC circuit, what happens to the reactance of an inductor when the frequency increases?
In an AC circuit, what happens to the reactance of an inductor when the frequency increases?
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In an AC circuit with a purely capacitive load, what is the phase relationship between the voltage and current?
In an AC circuit with a purely capacitive load, what is the phase relationship between the voltage and current?
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What is the frequency of the alternating current in a standard household electrical outlet in the United States?
What is the frequency of the alternating current in a standard household electrical outlet in the United States?
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