![Draw a labelled diagram of a step - up transformer. Obtain the ratio of secondary to primary voltage in terms of number of terns and current in the two coil. Draw a labelled diagram of a step - up transformer. Obtain the ratio of secondary to primary voltage in terms of number of terns and current in the two coil.](https://haygot.s3.amazonaws.com/questions/864439_761017_ans_6d1c950c78334883a0e00cbdb27e49e9.jpg)
Draw a labelled diagram of a step - up transformer. Obtain the ratio of secondary to primary voltage in terms of number of terns and current in the two coil.
WAZIPOINT Engineering Science & Technology: How do you know if a transformer is step up or step down?
![How to make a transformer 1.5v to 12V | how to make step up transformer at home | DIY Transformer - YouTube How to make a transformer 1.5v to 12V | how to make step up transformer at home | DIY Transformer - YouTube](https://i.ytimg.com/vi/ih9NRq5JwCw/maxresdefault.jpg)