Pinch effect in welding is the result of

Explanation

Explanation:- The electromagnetic force is a type of physical interaction that occurs between electrically charged particles. It acts between charged particles and is the combination of all magnetic and electrical forces. The electromagnetic force can be attractive or repulsive. A pinch welding gives narrow and long flame which is concentrated on the desired part, it is achieving by an induction coil, which results in electromagnetic forces. Important Points Arc blow is the undesirable effect of arc, during arc welding.