Formulate an investigative  question

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

i think is conclusions.i think so