Osnovi elektrotehnike 1 " by Branko D. Popović is a foundational textbook widely used in electrical engineering curricula across the Balkans. The specific phrase you searched for—often associated with file-sharing terms like "pdf 47 free"—typically points to a widely circulated digital version of the 13th edition (2004) or similar reprints.
Instead of searching for "osnovi elektrotehnike 1 branko popovic pdf 47 free", try these:
"I need the solution to problem 2.17 from Popović, Chapter 2 – DC Resistive Circuits"
Capacitance: Analysis of capacitors and dielectric materials.