How is the acceleration of an object in uniform circular motion constant? OA in magnitude only OB. in direction only OC. in both magnitude and direction OD. in magnitude, direction, and orlentation​

**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