15.38: Resonance in an AC Circuit (Q15.5.8)
- Page ID
- 51525
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An ac generator is connected to a device whose internal circuits are not known. We only know current and voltage outside the device, as shown below. Based on the information given, what can you infer about the electrical nature of the device and its power usage?
Text Question
An ac generator is connected to a device whose internal circuits are not known. We only know current and voltage outside the device, as shown below. Based on the information given, what can you infer about the electrical nature of the device and its power usage?
A11YQuestion
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Answer
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Solution
The reactance of the capacitor is larger than the reactance of the inductor because the current leads the voltage. The power usage is 30 W.
Hint
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Notes
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