An LR-series circuit has a variable inductor with the
Chapter 3, Problem 3.1.112(choose chapter or problem)
An LR-series circuit has a variable inductor with the inductance defined by . L(t) 1 1 10 t, 0, 0 t 10 t 10 Find the current i(t) if the resistance is 0.2 ohm, the impressed voltage is E(t) 4, and i(0) 0. Graph i(t).
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