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سؤال 164

Electrical current is measured in which of the following units?

  1. Volts
  2. Watts
  3. Ohms
  4. Amperesپاسخ درست

توضیح

The ampere is the unit of current, because current is charge in motion and the ampere measures how much charge passes a point each second. Volts measure the potential difference that drives the charge, watts the rate of energy use, and ohms the opposition to flow, so none of them measure current itself.

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شروع تمرین
سؤال 164: Electrical current is measured in which of the following… · FCC Technician Class (Element 2) · Questena