toroidal or cylindric inductors on printed circuit board with electronic components

coil inductor circuit microchip electronic component closeup integrated copper wire board winding macro toroid ferromagnetic core red orange technical detail transformer ferrite electromagnetic magnetic field solenoid twisted ic resistor capacitor diode jumper industrial part device pcb design power supply voltage converter electric electrical engineering electrotechnology repair service industry technology electrotechnical tech science development yellow black inductors induction micro chip round choke element printed unit disassembled inverter electrotechnics beautiful colored nopeople selective focus