Question
100 W lightbulb is plugged into a standard 120 V outlet. How much does it cost per month (30 days) to leave the light turned
100 W lightbulb is plugged into a standard 120 V outlet. How much does it cost per month (30 days) to leave the light turned on continuosly? Assume electrical energy costs 5.0 cents /kWh. (Enter dollars with no unit)
What is the resistance of the bulb?
What is the current in the bulb?
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Waves Berkeley Physics Course
Authors: Frank S. Crawford Jr.
Volume 3
0070048606, 9780070048607
