Exploring the Magnetic Effects of Electric Current
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Questions and Answers

Which of the following is an effect of electric current?

  • Cooling
  • Expansion
  • Heating (correct)
  • Vibration

    • What happens to a compass needle when an electric current is passed through a copper wire?

  • It remains stationary
  • It gets deflected (correct)
  • It becomes demagnetized
  • It moves in a circular motion

    • What is the orientation of the copper wire in the activity described in the text?

  • Parallel to the plane of paper
  • At an angle to the plane of paper
  • Perpendicular to the plane of paper (correct)
  • Curved

    • What does the deflection of the compass needle indicate?

    <p>The wire is a good conductor</p> Signup and view all the answers

    What is the purpose of inserting the key into the plug in the activity?

    <p>To complete the circuit</p> Signup and view all the answers

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