What is impedance?
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Impedance is the AC form of Ohm's law, Z = E / I, so it is voltage divided by current. Current divided by voltage is admittance, and the product of voltage and current is power, not impedance.
Impedance is the AC form of Ohm's law, Z = E / I, so it is voltage divided by current. Current divided by voltage is admittance, and the product of voltage and current is power, not impedance.