Physics for IGCSE & O level - Magnets And Currents (Section 10 - No. 9)
Which of the following is the correct relationship between voltage and current in an ideal transformer?
Voltage and current are directly proportional.
Voltage and current are inversely proportional.
Voltage and current are unrelated.
Voltage and current are equal.
Објашњење
In an ideal transformer, the ratio of voltages equals the inverse ratio of currents.