The resistance of the filament of a lamp increases with the increase in temperature. A lamp rated 100W and 220V is connected across 220V power supply. If the voltage drops by 10%, then the power of the lamp will be The resistance of the filament of a lamp increases with the increase in temperature. A lamp rated 100W and 220V is connected across 220V power supply. If the voltage drops by 10% then the power of the lamp will be November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related