What is the basic unit of power in a DC circuit?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Prepare for the ASA Aviation Maintenance Technician General Test. Utilize flashcards and multiple-choice questions with hints and explanations. Ace your exam!

Multiple Choice

What is the basic unit of power in a DC circuit?

Explanation:
Power in a DC circuit is the rate at which electrical energy is transferred or used. The basic unit for that rate is the watt. In electrical terms, power is the product of voltage and current, P = V × I, so the energy delivered per second is measured in watts. One watt equals one volt times one ampere. That links the units: joule is a unit of energy, while volt is potential difference and ampere is current. For example, a device with 5 volts across it drawing 2 amperes uses 10 watts of power.

Power in a DC circuit is the rate at which electrical energy is transferred or used. The basic unit for that rate is the watt. In electrical terms, power is the product of voltage and current, P = V × I, so the energy delivered per second is measured in watts. One watt equals one volt times one ampere. That links the units: joule is a unit of energy, while volt is potential difference and ampere is current. For example, a device with 5 volts across it drawing 2 amperes uses 10 watts of power.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy