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Alternating current flowing through a ce...

Alternating current flowing through a certain electrical device leads over the potential difference across it by `90^(@)`. State whether this device is a resistor, capacitor or an inductor.

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To determine whether the electrical device is a resistor, capacitor, or inductor based on the given information that the alternating current (AC) leads the potential difference (voltage) by 90 degrees, we can analyze the behavior of these components in an AC circuit. ### Step-by-Step Solution: 1. **Understanding Phase Relationship**: - In AC circuits, the phase relationship between current and voltage is crucial. The phase difference indicates how much one waveform leads or lags behind another. 2. **Phase Difference in Components**: ...
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