I really don't understand how to do this, but the screenshot shows the question.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Atomic nuclei of almost all elements consist of

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z