What is the effect on current through a circuit of steady resistance when the voltage is doubled?

**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

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion

Which system of units is used by only a small number of countries in the world, including the u. s.