Physics, asked by muskan2416, 11 months ago

a fillament of bulb (500W, 100V) is to be used in 230V main supply. when a resistance R is connected in series, it works perfectly and the bulb consumes 500 W. I the value of R is
(1) 230 ohm
(2) 46 ohm
(3) 26 ohm
(4) 13 ohn

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