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

What does Ohm's Law state?

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

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

<p>Resistance (A)</p> Signup and view all the answers

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