n= (950 turns)/(0.850 m) = 1.118 ×103m–1. The magnetic energy density is uniB==×⋅×=−−12124101118 106 6034 2022731223µπTmAmAJmchchbg....(b) Since the magnetic field is uniform inside an ideal solenoid, the total energy stored in the field is UB= uBV, where Vis the volume of the solenoid. Vis calculated as the product of the cross-sectional area and the length. Thus
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.