Physics for IGCSE & O level - Magnets And Currents (Section 8 - No. 17)
In a step-up transformer, what is the relationship between the number of turns in the primary and secondary coils?
Primary turns > Secondary turns
Primary turns = Secondary turns
Primary turns < Secondary turns
No relationship
คำอธิบาย
A step-up transformer has more turns on the secondary coil than the primary.