Question

in Transformer ........... doesn't changes from primary to secondary coil. *​

Answer 1

Explanation:

A transformer works because the voltage rises and falls with each wave in the primary winding, inducing voltage in the secondary winding. They have to be at the same frequency

Thanks

Answer 2

Explanation:

Step-up transformers have more turns on the secondary coil than they do on the primary coil. Step-down transformers have fewer turns on the secondary coil than they do on the primary coil