3. A 100 W incandescent light bulb operates at a potential difference of 85 V. A. What is the current in the bulb? B. What is the resistance of the bulb? C. If the bulb is replaced by a bulb with twice the resistance found in part b, what is its power rating when operated at the same potential?

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Chapter1: Units, Trigonometry. And Vectors
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3. A 100 W incandescent light bulb operates at a potential difference of 85 V.
A. What is the current in the bulb?
B. What is the resistance of the bulb?
C. If the bulb is replaced by a bulb with twice the resistance found in part b, what is its power rating
when operated at the same potential?
Transcribed Image Text:3. A 100 W incandescent light bulb operates at a potential difference of 85 V. A. What is the current in the bulb? B. What is the resistance of the bulb? C. If the bulb is replaced by a bulb with twice the resistance found in part b, what is its power rating when operated at the same potential?
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