Electrical Engineering Basics
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Questions and Answers

What is alternating current?

  • Current that flows in one direction only
  • Current that flows at a constant current
  • Current that reverses direction at regular intervals (correct)
  • Current that flows at a constant voltage

What is the purpose of a cogeneration power plant?

  • To convert mechanical energy into electrical energy
  • To convert energy from moving water into electrical energy (correct)
  • To convert thermal energy into electrical energy
  • To convert chemical energy into electrical energy

What is the function of a conductor?

  • To decrease the voltage of a circuit
  • To permit electrons to flow through it easily (correct)
  • To resist the flow of electrons
  • To increase the resistance of a circuit

What is the unit of measurement for resistance?

<p>Ohms (B)</p> Signup and view all the answers

What is the most common type of wire used today?

<p>Aluminum (C)</p> Signup and view all the answers

What is a semiconductor?

<p>A material in which the electrical conductivity is between that of a conductor and that of an insulator (B)</p> Signup and view all the answers

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