Can someone help me with this one please I need help I will mark brainless

**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

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

When using the scientist method, which step comes last?