Home » English riddles » Power Electronic » Power Electronic Riddle No.3 – Fluorescent lamps electronic ballast » Reply To: Power Electronic Riddle No.3 – Fluorescent lamps electronic ballast Reply To: Power Electronic Riddle No.3 – Fluorescent lamps electronic ballast 2021-08-03 at 11:08 am #2483 Sinnadurai Sripadmanaban Which kind of ballast generates less harmonics?.