Question: A 65-W light-bulb operates on a potential difference of 95 V. Find (a) The current in the bulb and (b) The resistance of the bulb.

A 65-W light-bulb operates on a potential difference of 95 V. Find
(a) The current in the bulb and
(b) The resistance of the bulb.
(c) If this bulb is replaced with one whose resistance is half the value found in part (b), is its power rating greater than or less than 65 W? By what factor?

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