Induction motors are electric motors that use alternating current (AC) Electric welding works by utilizing an electric arc and filler metal with a stick electrode or wire to join materials together. Electric welding works by utilizing an electric arc and filler metal with a stick electrode or wire to join materials together. lectric welding is a type of welding process that uses electricity to produce heat and melt metal. introduction-power-systems-08-aa (2).ppt ADE UNIT-III (Digital Fundamentals).pptx addeunit-2-191121144848.pptx adeunit1-221223065954-a64adaae.pdf