A transformer has 600 turns on its primary coil and is connected to a 240 V a.c. supply.
The output voltage of the transformer is 48 V a.c.
How many turns are on the secondary coil of the transformer?
303030
120120120
300300300
300030003000
136 exam-style questions on CIE IGCSE Physics 4.5.6a Construction and operation of a transformer. Each one has a worked solution and a mark scheme showing where the marks go.