Electricity Basics Quiz

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Questions and Answers

What is the unit of electric current?

  • Volt
  • Ohm
  • Coulomb
  • Ampere (correct)

Which material has the highest resistance to the flow of electric current?

  • Copper
  • Aluminum
  • Silver
  • Rubber (correct)

What happens to the resistance of a wire when its length is doubled?

  • Quadruples
  • Halves
  • Remains the same
  • Doubles (correct)

What is the relationship between the resistance and temperature of a conductor?

<p>Resistance increases with increasing temperature (A)</p> Signup and view all the answers

Which factor affects the resistance of a conductor?

<p>Diameter of the conductor (D)</p> Signup and view all the answers

What happens to the resistance of a wire when its length is increased?

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

Which factor affects the resistance of a conductor?

<p>Temperature (D)</p> Signup and view all the answers

What happens to the resistance of a wire when its length is increased?

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

Which material has the highest resistance to the flow of electric current?

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

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