In a step-down transformer, which describes the primary winding compared with the secondary winding? higher voltage and fewer coils of wire higher voltage and more coils of wire lower voltage and fewer coils of wire lower voltage and more coils of wire

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).