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Question 192

What is the unit of impedance?

  1. Volt
  2. Ampere
  3. Coulomb
  4. OhmBonne réponse

Explication

Impedance is opposition to current, so like resistance it is expressed in ohms even though it includes reactance as well. Volts and amperes measure the driving force and the flow, not the opposition.

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Question 192: What is the unit of impedance? · FCC Technician Class (Element 2) · Questena