Transformer
 

Transformer problem 15


A battery charger is plugged into a a.c. supply. The charger is used to charge a d.c. battery. The charger contains a transformer. What is the purpose of the transformer?


  • rectify the a.c.

  • steps down the voltage

  • rectify the d.c.

  • steps up the voltage


 

main author and content editor: Adebola Oluwadare