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A 100 W bulb is designed to operate on a...

A `100 W` bulb is designed to operate on a potential difference of `230 V`.
(i) Find the resistance of the bulb.
(ii) Find the current drawn by the bulb if it is operated at a potential difference for which it is designed.
(iii) Find the current drawn and power consumed by the bulb if it is connected to a `200 V` supply.

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