In the figure, an ac generator with emf E = Emsinωdt, where Em = 25.4 V and ωd = 381 rad/s, is connected to a 12.3 H inductor. (a) What is the maximum value of the current? (b) When the current is a maximum, what is the emf of the generator? (c) When the emf of the generator is -12.2 V and increasing in magnitude, what is the current?