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

A

$$46 Ω$$

B

$$26 Ω$$

C

$$13 Ω$$

D

$$230 Ω$$