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Frage 202

What formula is used to calculate resistance in a circuit?

  1. R = E x I
  2. R = E / IRichtige Antwort
  3. R = E + I
  4. R = E - I

Erklärung

Solving Ohm's law for resistance gives R = E / I. Adding or subtracting volts and amperes is not meaningful, since they are different quantities.

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Frage 202: What formula is used to calculate resistance in a circuit? · FCC Technician Class (Element 2) · Questena