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A filament bulb (500 W, 100 V) is to be ...

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

`13Omega`

B

`230Omega`

C

`46Omega`

D

`26Omega`

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