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The current through a N = 175-turn coil with cross-sectional area, A = 0.0424 m², is decreasing at a steady rate.
When the current drops from 5.43 A to 4.43 A over a period of 0.635 sec, the induced emf is 12.7 V.
(a) What is the inductance of the coil?
L = 0.0461
(b) Calculate the change in the energy density stored in the magnetic field of the coil.
X MJ
Aug
XH
= 4.637e-12

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