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October 22, 2014

Homework Help: physics

Posted by dd on Friday, April 12, 2013 at 12:09am.

Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length x and 2x. Denote Ux the total magnetic energy in the solenoid with length x, and U2x the one in the solenoid with length 2x. What is U2x/Ux?

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