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Вопрос 165

Electrical power is measured in which of the following units?

  1. Volts
  2. WattsПравильный ответ
  3. Watt-hours
  4. Amperes

Объяснение

Power is the rate at which energy is converted or used, and that rate is measured in watts. Watt-hours are the tempting distractor, but they measure the total energy delivered over a period of time rather than the rate.

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