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Вопрос 173

Which term describes the rate at which electrical energy is used?

  1. Resistance
  2. Current
  3. PowerПравильный ответ
  4. Voltage

Объяснение

Power is defined as energy per unit time, so it is precisely the rate at which electrical energy is used. Current is a rate of charge flow and voltage is a potential difference; neither by itself states how fast energy is consumed.

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Вопрос 173: Which term describes the rate at which electrical energy is… · FCC Technician Class (Element 2) · Questena