rajv63020vishalraj Asked: December 2022 two lamps one rated 100 w at 220 v and the other 60 w at 220v are connected in parallel to electric main supply
rajv63020vishalraj Asked: December 2022 an electric heater of resistance 8 ohm draws 15 A from the service mains 2 hours calculate the rate at which it is developed
rajv63020vishalraj Asked: December 2022 some microorganisms have a harmful influence on and produce disease