The voltage induced in the secondary windings of a transformer is proportional to what?

The voltage induced in the secondary windings of a transformer is indeed proportional to the turns ratio of the transformer. This relationship is fundamental to how transformers operate and can be understood through the principles of electromagnetic induction.

In a transformer, the primary winding creates a magnetic field when AC voltage is applied. This magnetic field induces a voltage in the secondary winding. The amount of voltage induced in the secondary is directly related to the number of turns of wire in the secondary compared to the number of turns in the primary. The turns ratio determines how much the voltage is stepped up or down in the transformer. Specifically, if the secondary winding has more turns than the primary, the induced voltage in the secondary will be higher than that in the primary, and vice versa.

Understanding this relationship is crucial in applications where specific voltage levels are required, such as in power distribution systems or in devices that need to operate at certain voltage levels.

The other factors mentioned, such as input power, frequency of operation, or the load connected, do influence other characteristics of the transformer operation, but they do not directly determine the voltage induced in the secondary winding as the turns ratio does. Thus, the turns ratio remains the key parameter for predicting the voltage in the secondary winding.