The inductor in fig. 30.18 has inductance 0260 H and carries a current in the direction shown

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The inductor in fig. 30.18 has inductance 0260 H and carries a current in the direction shown that is deaeasing at a uniform rate, di/dt = -0.0180 A/s.(a) Find the self-induced emf.(b) Which end of the inductor, a or b, is at a higherpotential?image

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