A 100-W, 120-V light bulb has a resistance of when cold
Chapter 18, Problem 80GP(choose chapter or problem)
A lightbulb has a resistance of \(12 \Omega\) when cold \(\left(20^{0} \mathrm{C}\right)\) and \(140 \Omega\) when on (hot). Calculate its power consumption
at the instant it is turned on, and
after a few moments when it is hot.
Equation transcription:
Text transcription:
12 Omega
(20^{0}{C})
140 Omega
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