A filament bulb (400W, 100V ) is to be used in a 230V main supply . When a resistance R is conneted in series , the bulb work at rated voltage and consume 400W. The value of R is

A filament bulb (500W, 100V) is to be used in a 230V main supply. When a resistance 'R' is connected in series, it works perfectly and the bulb consumes 500W. The value of R is

A filament bulb (500W, 100V)is to be used in a 230v main supply. When a resistance R is connected in series, it works perfectly and the bulb consumes 500W. The value of R is

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 consumers 500 W . The value of R is

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 consumers 500 W . The value of R is

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 consumers 500 W . The value of R is

A filament bulb (500W, 100V) is to he used in a 230 V main supply. When a resistance R connected in series, it works perfectly and the bulb consumes 500W. The value of R is

An electric bulb rated 500 W at 100 V is used in a circuit having a 200 V supply. What resistance R must be put in series with the bulbs so that the bulb delivers 500 W?