Transformer current ratios are inversely proportional to what?

Transformer current ratios are inversely proportional to what?

• A. The resistance ratios
• B. The inductance ratios
• C. The voltage ratios
• D. The power ratios

Answer: (C)

The correct answer is based on the fundamental principles of transformer operation. The primary function of a transformer is to transfer electrical energy between two or more circuits through electromagnetic induction. The voltage ratios of a transformer are related directly to the turns ratio of its coils, which are the number of windings on the primary and secondary sides of the transformer. According to the transformer equations, the ratio of the primary to secondary voltages is equal to the ratio of the number of turns in the primary coil to the number of turns in the secondary coil. This means that if the voltage is increased (step-up transformer), the current must decrease in the secondary side to conserve power in an ideal transformer scenario, reflecting an inverse relationship. Conversely, if the voltage is decreased (step-down transformer), the current increases. This inverse relationship holds true for the current as well: as voltage increases in a step-up transformer (due to a higher turns ratio), the current on the secondary side decreases, and vice versa for a step-down transformer. This is why the current ratios are inversely proportional to the voltage ratios in transformers. Understanding this principle is essential in the study of transformers, as it helps in calculating and predicting how changes in voltage will affect current and vice versa, which is

The correct answer is based on the fundamental principles of transformer operation. The primary function of a transformer is to transfer electrical energy between two or more circuits through electromagnetic induction. The voltage ratios of a transformer are related directly to the turns ratio of its coils, which are the number of windings on the primary and secondary sides of the transformer.

According to the transformer equations, the ratio of the primary to secondary voltages is equal to the ratio of the number of turns in the primary coil to the number of turns in the secondary coil. This means that if the voltage is increased (step-up transformer), the current must decrease in the secondary side to conserve power in an ideal transformer scenario, reflecting an inverse relationship. Conversely, if the voltage is decreased (step-down transformer), the current increases.

This inverse relationship holds true for the current as well: as voltage increases in a step-up transformer (due to a higher turns ratio), the current on the secondary side decreases, and vice versa for a step-down transformer. This is why the current ratios are inversely proportional to the voltage ratios in transformers.

Understanding this principle is essential in the study of transformers, as it helps in calculating and predicting how changes in voltage will affect current and vice versa, which is