Why not just buy the book? The search for the PDF version is driven by several practical factors:
While Santillana is excellent, no single book covers every exam nuance. Consider complementing your PDF with these free or low-cost resources: Fisica 2 Bachillerato Santillana.pdf
Pasamos de las fuerzas constantes a las variables. Why not just buy the book
The challenge: Understanding flux change as a cause of current. Santillana's approach: The PDF includes animated diagram sequences (if you use the interactive digital version) showing a magnet entering a coil. For the static PDF, the step-by-step logic flowcharts are second to none. They break down the three ways to change flux: change area, change B field, or change angle. change B field