(a) State joule's Law of heating.   (b) Name two devies where heating effect of current is utilised
Channel: Doubtnut
Date: 2020-04-12

(a) State joule's Law of heating.   (b) Name two devies where heating effect of current is utilised.   (c) What is the name given to the commercial unit of electircal energy ? Express this unit in joules.