Physics for IGCSE & O level - Magnets And Currents (Section 8 - No. 44)
A transformer with a turns ratio of 1:5 is connected to a 120 V AC supply. Which of the following statements is correct about the output voltage?
Output voltage is 600 V
Output voltage is 24 V
The transformer is a step-up transformer
The transformer is a step-down transformer
Објашњење
The turns ratio of 1:5 indicate that it is a step-up transformer.