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Physics, 23.04.2020 00:50, nowenpimu586
A string of 18 identical Christmas tree lights are connected in series to a 130 V source. The string dissipates 61 W.
What is the equivalent resistance of the light string?
Answer in units of Ω.
What is the resistance of a single light? Answer in units of Ω.
How much power is dissipated in a single light?
Answer in units of W.
One of the bulbs quits burning. The string has a wire that shorts out the bulb filament when it quits burning, dropping the resistance of that bulb to zero. All the rest of the bulbs remain burning.
What is the resistance of the light string now?
Answer in units of Ω.
How much power is dissipated by the string now?
Answer in units of W.
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A string of 18 identical Christmas tree lights are connected in series to a 130 V source. The string...
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