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Solved: The wattage marked on a lightbulb is not an
Chapter 15, Problem 43TAS(choose chapter or problem)
QUESTION:
The wattage marked on a lightbulb is not an inherent property of the bulb but depends on the voltage to which it is connected, usually 110 V or 120 V. How many amperes flow through a 60-W bulb connected in a 120-V circuit?
Questions & Answers
QUESTION:
The wattage marked on a lightbulb is not an inherent property of the bulb but depends on the voltage to which it is connected, usually 110 V or 120 V. How many amperes flow through a 60-W bulb connected in a 120-V circuit?
ANSWER:Step 1 of 2
For electric power is given by,
where is power, is current and is voltage.
Implies,