A step-up transformer gives a $60\ \text{V}$ a.c. output when supplied with a $12\ \text{V}$ a.c. input. The secondary coil has 50 turns. How many turns are on the primary coil?
- A5
- B10
- C50
- D250
Physics 0625 · IGCSE · Electromagnetic effects
Physics 0625 · IGCSE · Electromagnetic effects
A step-up transformer gives a $60\ \text{V}$ a.c. output when supplied with a $12\ \text{V}$ a.c. input. The secondary coil has 50 turns. How many turns are on the primary coil?