Arc-welding uses following electric supply Warning: Trying to access array offset on false in /home3/indiakep/public_html/wp-content/plugins/dw-question-answer/inc/Template.php on line 8 All Questions › Category: Basic Electrical › Arc-welding uses following electric supply 4 Vote Up Vote Down Rajasri Mundrathi Staff asked 5 years ago Options: a) A.C.b) D.C.c) Both AC and DCd) Spiral waveform 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 5 years ago The correct answer is Both AC and DC