Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

A transformer contains 200 turns on its primary coil and is connected to a $240\,\text{V}$ a.c. supply. Its output voltage is $60\,\text{V}$ a.c. How many turns are there on the transformer’s secondary coil?

A20
B50
C72
D800

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

Full mark scheme, point by point
Step-by-step worked solution
Write your answer & get it marked instantly by AI