Physics for IGCSE & O level - Magnets And Currents (Section 8 - No. 26)
What is meant by 'turns ratio' of a transformer?
Ratio of input voltage to output voltage
Ratio of primary coil turns to secondary coil turns
Ratio of output current to input current
Ratio of core's size to coil's size
Spiegazione
The turns ratio is the ratio of the number of turns in the primary coil to the number of turns in the secondary coil.