The primary coil of a transformer has 200 turns and its secondary coil has 50 turns, and the current in the secondary coil is 40 A.When a 12-V alternating current is applied to the primary coil of the transformer, the secondary voltage will be

Question

Quizplus · Accepted Answer

The transformer equation is Vp/Vs = Np/Ns, where Vp and Vs are the primary and secondary voltages, and Np and Ns are the number of turns in the primary and secondary coils. Given Vp = 12 V, Np = 200, and Ns = 50, Vs = Vp * (Ns/Np) = 12 * (50/200) = 3 V.

The Primary Coil of a Transformer Has 200 Turns and Its