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Jackjack

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posted by Jackjack on 11/7/2009 12:34:47 AM | status: Live | Earned Karma: 25

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Course	Textbook	Chapter	Problem	Needs by
N/A	N/A	N/A	N/A	11/7/2009 at 7:00:00 AM

Question Details:

A very long solenoid of circular cross section with radius r= 3.20cm has n= 79.0 turns/cm of wire. An electron is sitting outside the solenoid, at a distance r= 3.70 cm from the solenoid axis. What is the magnitude of the force on the electron while the current in the solenoid is ramped up at a rate of 35.0 Amps/second?
Hint: Use Faraday's Law to calculate the line integral of the electric field around a circular path of radius r. Then use F=qE.

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