Electric Current Basics Quiz
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Questions and Answers

What is the SI unit of electric current?

  • Coulomb
  • Volt
  • Second (correct)
  • Joule

    • How is electric current defined in terms of charge and time?

  • Current = Time/Charge
  • Current = Charge/Time (correct)
  • Current = Coulomb * Second
  • Current = 1 - 0/t

    • What instrument is used to measure electric current?

  • Ohmmeter
  • Voltmeter
  • Ammeter (correct)
  • Wattmeter

    • What is the mathematical expression for electric potential?

    <p>$Electric potential (V) = Work done/Charge$</p> Signup and view all the answers

    What does Ohm's Law state?

    <p>Current is directly proportional to potential difference</p> Signup and view all the answers

    What property of a conductor opposes the flow of electric current?

    <p>Resistance</p> Signup and view all the answers

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