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Phasors and Resonance - Electronic Tutorials

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Resistance in an AC circuits Tutorial

Resistance in an AC circuits

The ac current through a resistor is in phase with the voltage across it.

When the voltage is zero, the current is zero.

When the voltage is at a maximum, then the current is at its maximum.

Ohm's Law can be applied, if current and voltage are both rms, or both peak.

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