If voltage across a bulb rated 220 Volts,100 Watt drops by 2.5% of its rated value the percentage of the rated value by which the power would decrease is : 100 Watt drops by 2.5% of its rated value the percentage of the rated value by which the power would decrease is If voltage across a bulb rated 220 Volts August 22, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related