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:A 120V; 60W lamp is to be operated on 220V A.C the…A platinum resistance thermometer has a resistance…The wire of a platinum resistance thermometer has d…A resistance thermometer has a resistance of 20Ω at…An electric generate rated 12kw, 2kv distribute…