An electric lamp rated 120W is used on a 240Vrms, calculate the resistance of its filament? by Sunday | May 20 | Physics WAEC | 0 comments A. 480Ω B. 360Ω C. 60Ω D. 2Ω Correct Answer: Option A A. 480Ω Users Also Read These:An electric bulb is rated 60W, 220V. Calculate the…A lamp rated 100W, 240V is lit for 5hours. Calculate…An immersion heater is rated 120W. How long does it…Calculate the resistance of the filament of a lamp…A resistance thermometer has a resistance of 20Ω at…