Principles

What is the basic unit of electrical power?

Answer

Watt.

The watt is the basic unit of electrical power (one joule per second; volts times amps in a DC or resistive circuit).

Source: FCC Element 3 question pool, 3A

Not the answer

  • Volt.
  • Ohm.
  • Ampere.

Practice this

The FCC Element 3 (General Radiotelephone) exam is 100 questions and takes 75 correct — 75% — to pass. Element 1, the other half of the licence, is 24 questions and takes 18 correct. The app’s page carries a free ten-question test drawn from the same bank, marked as you go.

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