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    Physics for Scientists and Engineers Study Set 4
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    Exam 25: Electric Currents and Resistance
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    A Light Bulb Operating at a Voltage of 120 V
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A Light Bulb Operating at a Voltage of 120 V

Question 55

Question 55

Multiple Choice

A light bulb operating at a voltage of 120 V has a resistance of 200 Ω. What is the power?


A) 100 W
B) 60 W
C) 72 W
D) 14 x 10-3 W
E) 7.2 W

Correct Answer:

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