A Filament Bulb (500 W, 100 V) Is To Be Used In A 230 V Main Supply. When A Resistance R Is Connected In Series, It Works Perfectly And The
A filament bulb (500 W, 100 V) is to be used in a 230 V main supply. When a resistance R is connected in series, it works perfectly and the bulb consumes 500 W. The value of R is
(A) 230 Ω
(B) 46 Ω
(C) 26 Ω
(D) 13 Ω
asked Jul 10 12:00:00 AM