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A magician places an aluminum ring on a table with a
Chapter , Problem 62TAE(choose chapter or problem)
QUESTION:
A magician places an aluminum ring on a table with a hidden electromagnet underneath. When the magician says “abracadabra” (and pushes a switch that starts current flowing through the coil under the table), the ring jumps into the air. Explain his “trick.”
Questions & Answers
QUESTION:
A magician places an aluminum ring on a table with a hidden electromagnet underneath. When the magician says “abracadabra” (and pushes a switch that starts current flowing through the coil under the table), the ring jumps into the air. Explain his “trick.”
ANSWER:Step 1 of 4
The magician's "trick" involves the principle of electromagnetic force.