magnetic ferrite core transformer detail on beige printed circuit board

background beige black blue blur board capacitor choke circuit close closeup coil coils component components conductor copper core detail development device disassembled discarded dismantled disposal eco electric electrical electromagnetic electronic electronics electrotechnical electrotechnics electrotechnology engineering environment ferrite hardware inductance induction inductor industrial industry inverter laboratory macro magnetic nobody nopeople ocher old orange part pcb printed recycling repair science service spare store tech technical technology transformer waste white winding wire yellow