A coil of inductance 1 henry and a resistance of 20 ohms is connected to an emf E= 200 sin(20t), what is the DE model relating the currentI and time t described in the problem? di +20/=200 sin(20t) dt (A dl B dt 10 sin(20t) 20 dl + dt = 200 sin(20t) 20 dl (D 20- +/= 200 sin(20t) dt

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