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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

When the switch in Figure CQ20.12a is closed, a current is set up in the coil and the metal ring springs upward (Fig. CQ20.12b). Explain this behavior.

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Figure CQ20.12 Conceptual Questions 12 and 13

To determine
To explain the phenomenon of a ring springs up in the magnetic field

Explanation

When the switch is on the current will flow through the solenoid coil and eventually magnetic field increases rapidly in the upward direction as a result of this magnetic field an emf induces in the ring. this emf produce a current in the ring.

As emf induces in the ring produces a clock wise current in ring at each point the field of the solen...

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