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Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length xand

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?


The answer is 0.5
I think plz say if it is correct
1 5 1
Comment has been deleted
yes no doubt
should i explain
no need i understood
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