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What is the difference between resistance and impedance?

1 Answer

Resistance refers to the opposition encountered by an electrical circuit to the flow of direct current (DC). It is a real component of impedance that remains constant regardless of the frequency. On the other hand, impedance considers both the resistance and reactance, which represents the opposition to the flow of alternating current (AC) due to inductance or capacitance. Impedance varies with frequency and includes both magnitude and phase information.
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