Hovering ring: A long solenoid, with N turns, length L and radius a, has an alternating current flowing through it of form I = Io cos(@t). A conducting ring of radius b (b>a) is placed at the end of the solenoid, where the magnetic field is half its central value. a. What is the EMF induced in the loop? b. The loop has a resistance R; what is the current flowing through the loop? c. Explain (include drawing) how the loop hovers on top of the solenoid?
Hovering ring: A long solenoid, with N turns, length L and radius a, has an alternating current flowing through it of form I = Io cos(@t). A conducting ring of radius b (b>a) is placed at the end of the solenoid, where the magnetic field is half its central value. a. What is the EMF induced in the loop? b. The loop has a resistance R; what is the current flowing through the loop? c. Explain (include drawing) how the loop hovers on top of the solenoid?
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![3. Hovering ring:
A long solenoid, with N turns, length L and radius a, has an alternating current
flowing through it of form I = Io cos(ot). A conducting ring of radius b (b> a) is
placed at the end of the solenoid, where the magnetic field is half its central value.
a. What is the EMF induced in the loop?
b. The loop has a resistance R; what is the current flowing through the loop?
c. Explain (include drawing) how the loop hovers on top of the solenoid?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffdd2c166-8196-40eb-9536-745216d6fb07%2Fea97de64-e6fd-45ce-86b9-035891ea744c%2Flpp2xdb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Hovering ring:
A long solenoid, with N turns, length L and radius a, has an alternating current
flowing through it of form I = Io cos(ot). A conducting ring of radius b (b> a) is
placed at the end of the solenoid, where the magnetic field is half its central value.
a. What is the EMF induced in the loop?
b. The loop has a resistance R; what is the current flowing through the loop?
c. Explain (include drawing) how the loop hovers on top of the solenoid?
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