closeup of inductor, electrolytic capacitor or transistor on blurry pcb background

inductor capacitor electronic coil circuit component closeup mosfet transistor pcb power supply board copper wire electrolytic macro blue solenoid cylindrical inductance electromagnet magnetic field gray case epoxy paste plastic condenser conductor capacity energy storage electrical engineering electric electricity device equipment printed design surface mount technology embedded electrotechnics industry technical service repair science blur background ewaste recycle brown bokeh electromagnetic induction housing resin winding twisted condensator aluminum capacitance semiconductor throughhole inside disassembled electrotechnology disposal