A copper ring can be made to levitate about the extended bar of an electromagnet because the magnetic field induced in the ring... • remains strong and steady. • opposes the field producing it. is attracted to the top end of the bar. none of the above Explain your answer.
A copper ring can be made to levitate about the extended bar of an electromagnet because the magnetic field induced in the ring... • remains strong and steady. • opposes the field producing it. is attracted to the top end of the bar. none of the above Explain your answer.
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Transcribed Image Text:A copper ring can be made to levitate about the extended bar of an electromagnet because the magnetic field induced in the ring...
• remains strong and steady.
• opposes the field producing it.
is attracted to the top end of the bar.
none of the above
Explain your answer.
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