An electric bulb rated for `500 W` at `100 V` is used in a circuit having a `200 V` supply. The reistance `R` that must be put in series with bulb, so that the bulb delivers `500 `W is ……….`Omega`.A. `10 Omega`B. `20 Omega`C. `50 Omega`D. `100 Omega`

An electric bulb rated for `500 W` at `100 V` is used in a circuit hav

1.	An electric bulb rated for `500 W` at `100 V` is used in a circuit having a `200 V` supply. The reistance `R` that must be put in series with bulb, so that the bulb delivers `500 `W is ……….`Omega`.A. `10 Omega`B. `20 Omega`C. `50 Omega`D. `100 Omega`
Answer» Correct Answer - B

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An electric bulb rated for `500 W` at `100 V` is used in a circuit having a `200 V` supply. The reistance `R` that must be put in series with bulb, so that the bulb delivers `500 `W is ……….`Omega`.A. `10 Omega`B. `20 Omega`C. `50 Omega`D. `100 Omega`

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