A 100w 110v lightbulb has a resistance of 140ohm when cold, Physics

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A 100w 110v lightbulb has a resistance of 140ohm when cold

Solve the given questions:

Question I: A 100W, 110V lightbulb has a resistance of 14.0Ohm when cold (20.0^oC) and 112Ohm when on (hot). Calculate its power consumption at the instant it is turned on.

Question II: Calculate the bulb's actual power consumption after a few moments when it is hot. This may be different than the label on the bulb indicates.

Express your knowledge to solve the above questions. Thanks.

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Physics: A 100w 110v lightbulb has a resistance of 140ohm when cold

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