A string of 26 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 65 W. P1: What is the equivalent resistance of the light string? Answer in units of Ω. P2: What is the resistance of a single light? Answer in units of Ω. P3: What power is dissipated in a single light?

University Physics Volume 2
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ISBN:9781938168161
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Chapter9: Current And Resistance
Section: Chapter Questions
Problem 55P: A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any...
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A string of 26 identical Christmas tree lights
are connected in series to a 120 V source. The
string dissipates 65 W.

P1: What is the equivalent resistance of the
light string?
Answer in units of Ω.

P2: What is the resistance of a single light?
Answer in units of Ω.

P3: What power is dissipated in a single light?
Answer in units of W.

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